Value types with builders, Dart classes as enums, and serialization. This library is the runtime dependency.

Provides encoders and decoders for various archive and compression formats such as zip, tar, bzip2, gzip, and zlib.

Annotations used to express developer intentions that can't otherwise be deduced by statically analyzing source code.

Utility functions and classes related to the 'dart:async' library.

Provides a standard representation for source code locations and spans.

A dynamic parser framework to build efficient grammars and parsers quickly.

RFC4122 (v1, v4, v5, v6, v7, v8) UUID Generator and Parser for Dart

Full-featured XML for Dart — DOM parsing, SAX streaming, XPath 3 querying, and a fluent builder API.

A library that contains a Dart API for the JSON-based protocol for `hook/build.dart` and `hook/link.dart`.

Utilities for handling media (MIME) types, including determining a type from a file extension and file contents.

Utility functions and classes related to the dart:typed_data library.

Manage a finite pool of resources. Useful for controlling concurrent file system or network requests.

A class for parsing strings using a sequence of patterns.

A parser for YAML, a human-friendly data serialization standard

Versions and version constraints implementing pub's versioning policy. This is very similar to vanilla semver, with a few corner cases.

Useful Unicode glyphs and ASCII substitutes.

Utilities for converting between data representations. Provides a number of Sink, Codec, Decoder, and Encoder types.

A library to perform Bash-style file and directory globbing.

Utilities for the Dart VM Runtime including support for ANSI colors, file copying, and standard exit code values.

A string-based path manipulation library. All of the path operations you know and love, with solid support for Windows, POSIX (Linux and Mac OS X), and the web.

Collections and utilities functions and classes related to collections.

A templating library that implements the Mustache template specification

A flexible syntax for boolean expressions, based on a simplified version of Dart's expression syntax.

Library for 32- and 64-bit signed fixed-width integers with consistent behavior between native and JS runtimes.

A library for YAML manipulation with comment and whitespace preservation.

An abstraction for two-way communication channels based on the Dart Stream class.

A package for manipulating stack traces and printing them readably.

A pluggable, mockable platform information abstraction for Dart.

Simple package for parsing pubspec.yaml files with a type-safe API and rich error reporting.

A library to programmatically manipulate source map files.

A package for applying source maps to stack traces.

String replacement with operations that are Unicode/grapheme cluster aware.

A library for parsing and analyzing CSS (Cascading Style Sheets).

A pluggable, mockable process invocation abstraction for Dart.

APIs for parsing and manipulating HTML content outside the browser.

A fakeable wrapper for dart:core clock APIs.

A vector math library for 2D and 3D applications, supporting 2D, 3D, and 4D matrices.

Graph algorithms that operate on graphs in any representation.

Algorithms and utilities that power the Material Design 3 color system, including choosing theme colors from images and creating tones of colors; all in a new color space.

Immutable collections based on the SDK collections. Each SDK collection class is split into a new immutable collection class and a corresponding mutable builder class.

A library to take config values from configuration files, CLI arguments, and environment variables.

A Dart package for reading XDG directory configuration information on Linux.

A native Dart implementation of the D-Bus message bus client. This package allows Dart applications to directly access services on the Linux desktop.

A package to add shell command completion to your Dart application

A collection of utilities to transform and manipulate streams.

A convention and utilities for package extension discovery.

Flutter plugin for launching a URL. Supports web, phone, SMS, and email schemes.

Dart implementation of sprintf. Provides simple printf like formatting such as sprintf("hello %s", ["world"]);

Exposes the POSIX api on OSx and Linux

A Dart package that helps to implement value based equality without needing to explicitly override == and hashCode.

RxDart is an implementation of the popular ReactiveX api for asynchronous programming, leveraging the native Dart Streams api.

Flutter plugin providing detailed information about the device (make, model, etc.), and Android or iOS version the app is running on.

Lock mechanism to prevent concurrent access to asynchronous code.

Time zone databases and time zone aware `DateTime`.

Cross-platform 'dart:io' that adds browser support for HttpClient and some other "dart:io" APIs.

Constants for ASCII and common non-ASCII character codes. Integer constants corresponding to the code points of individual characters.

Quiver is a set of utility libraries for Dart that makes using many Dart libraries easier and more convenient, or adds additional functionality.

A library to invoke the native C compiler installed on the host machine.

A simple package for tracking the performance of synchronous and asynchronous actions.

Simple direct Service Locator that allows to decouple the interface from a concrete implementation and to access the concrete implementation from everywhere in your App"

Runtime library for protocol buffers support. Use with package:protoc_plugin to generate Dart code for your '.proto' files.

Changes the case of the input text to the desire case convention.

The Diff Match and Patch libraries offer robust algorithms to perform the operations required for synchronizing plain text.

A library providing a tuple data structure.

Replacement for dart.io.Platform class which works on Web as well as Desktop and Mobile. Allows platform checks in your view/model layer easily.

Type-safe DateTime and Duration calculations, powered by extensions.

A starting point for Dart libraries or applications.

Allocation tracking and leak detection for Dart FFI code.

Superpowers for Dart. Collection of useful static extension methods.

Rich, simple, synchronous command-line prompt library for Dart.

Function for sanitizing HTML to prevent XSS by restrict elements and attributes to a safe subset of allowed values.

Provides a simple class for parsing and comparing semantic versions as defined by http://semver.org/

A utility for counting in a variety of languages and styles. Made for lists.

A high-quality CSV library. Encode and decode CSV strings, with stream support (one row per event), auto-detection, and Excel compatibility. The string must be comma (configurable) separated values.

Library for use by client APIs generated from Discovery Documents.

A easy dart package to decode JSON Web Tokens, and to check and give its expiry dates

Plugin that allows Flutter apps to generate and print documents to compatible printers on Android, iOS, macOS, Windows, and Linux, as well as web print.

Unicode characters library auto generated from http://www.unicode.org.

A simple Dart package exposing a Color class which can be used to create, convert, alter, and compare colors in a variety of colorspaces.

The rational package allows you to deal with rational numbers.

The decimal package allows you to deal with decimal numbers without losing precision.

Package to simplify and improve JSON parsing in isolates by keeping one isolate running per instance.

JSON Pointer (RFC 6901). Reads/writes referred values in JSON documents.

Provides easy access to useful information about the system (architecture, bitness, kernel, memory, operating system, CPU, user).

A 'dart:html' that works in all platforms, including Flutter and server-side. Eases cross-platform development and HTML / XML processing.

This small library helps you to decode Json Web Tokens, you can also know if a JWT is already expired.

A library useful for creating fuzzy timestamps. (e.g. "15 minutes ago")

A simple (but correct) dart class for validating email addresses

Proj4dart is a Dart library to transform point coordinates from one coordinate system to another, including datum transformations (Dart version of proj4js/proj4js).

A library to write YAML documents, supporting Object encoding and 'dart:convert' 'Converter'.

Checkers and tools to ensure your app is accessible to all. Ensures your app is accessible from day one, by checking your interface as you build it.

A process invocation abstraction for Dart that manages a multi-process queue.

A library for terminal string styling as an extension on `String`.

A simple library to manage properties file (and something more) in Dart

Library providing an adaptive number implementation. On JS runtimes, a 64-bit signed fixed-width integer will be used and for all other platforms the default Dart int data type.

Utilities for building and parsing URIs, including support for parsing URI templates as defined in RFC 6570.

A common platform interface for the speech_to_text plugin.

Simple package making it easy to dispose (aka cancel, aka close) your objects.

Give your types superpowers and spice up your generics. Make types great again.

Package including lot helpers for easy developing on dart language

A common platform interface for the open_file plugin.

A collection of customizable interactive command-line components.

A Dart template generator which helps teams generate files quickly and consistently.

A common platform interface for the vibration plugin.

MIME type library for Dart HTTP server applications.

An extremely easy-to-use method call debouncer package for Dart/Flutter.

Flutter plugin for launching Android Intents. Not supported on iOS.

A state machine based, bring-your-own-io style implementation of the ZMODEM protocol in pure Dart

Platform independent OS detection.

Miscellaneous Dart libraries, including interoperability with java.io.DataInputStream and java.io.DataOutputStream.

Easy hexadecimal convertion using dart:convert API.

Utility functions and classes to work with byte buffers and streams efficiently, to read and write binary data formats.

Low-level link (text, URLs, emails, phone numbers, user tags) parsing library in Dart.

A simple and efficient implementation of an unmodifiable sparse list based on the binary search algorithm.

Implementation of RFC 9535 - JSONPath: Query Expressions for JSON. Reads and writes values in parsed JSON objects using queries like `$.store.book[2].price`.

A fast algorithm for finding polygon pole of inaccessibility. Useful for optimal placement of a text label on a polygon.

The platform interface for the uni_links plugin.

An implementation of RFC 9485 I-Regexp: An Interoperable Regexp Format. Checks the I-Regexp for correctness, allows matching by substring or by entire string.

A debouncer and throttle that works with Futures, Streams, and callbacks.

A minimal & safe utility to parse URIs.

A password strength estimator. Can be used to show the user whether the password they chose is strong against bruteforce or dictionary attacks.

Explicitly reads environment variables into a dart file from a .env file for more security and faster start up times.

Git command line wrapper. Exposes a Git directory abstraction that makes it easy to inspect and manipulate a local Git repository.

Dart library for parsing phone numbers. Inspired by Google's libphonenumber and PhoneNumberKit for ios.

A Dart package that parses LCOV coverage files into structured records, providing easy access to line, branch, and function coverage data.

Mutual exclusion with implementation of normal and read-write mutex

A fast algorithm for finding polygon pole of inaccessibility implemented as a Dart library. Useful for optimal placement of a text label on a polygon.

Creates Color instance from CSS color string according to https://drafts.csswg.org/css-color-3

A common platform interface for the flutter_blue_plus plugin.

A Flutter plugin for adding badges to your app icon. Supports iOS, Android, and macOS.

An internal Flutter plugin for flutter_quill package to access platform-specific APIs

New Dart runtime for ANTLR4.

A simple API to format dates. Provides various constants to build Date format string. Use `formatDate` method to format date according to format string.

Reactive Extensions Library for Dart providing an API for asynchronous programming with observable streams.

Parser and encoder for TOML v1.0.0 (Tom's Obvious, Minimal Language) configuration files.

A library for common features required by console applications, including color formatting, keyboard input, and progress bars.

Common util classes for Strings, Dates, X509, PKCS, Cryptographie and more.

c#-like OneOf inspired from https://github.com/mcintyre321/OneOf

A library to make it easy to extract OSS license information from Dart packages using pubspec.yaml

JSON with comments and trailing commas.

Unicode 17.0 Normalization - NFC, NFD, NFKC, NFKD. This is a Dart port of [walling/unorm](https://github.com/walling/unorm).

FlatBuffers reading and writing library for Dart. Based on original work by Konstantin Scheglov and Paul Berry of the Dart SDK team.

JSON Schema implementation in Dart

Process run helpers for Linux/Win/Mac and which like feature for finding executables.

A common platform interface for the flutter_dropzone plugin.

Dart library for validating and sanitizing strings, especially those from user input.

Fetch accurate time or current DateTime object from (NTP) Network Time Protocol server.

Simplifies manual JSON parsing with a type-safe API. No dynamic, no manual casting. Flexible inputs types, fixed output types. Useful parsing error messages

High performance CSV encoder and decoder with retained types and nullability.

Dart implementation of sdp-transform

A package of formatters for international phone numbers, credit / debit cards and a masked formatter

An API for defining and verifying files and directory structures.

A query string encoding and decoding library for Dart. Ported from qs for JavaScript.

Better conversion of ENUMs to string. Dart has annoying EnumName.ValueName syntax when calling enum.toString, this package fixes that.

Calculate the difference between two lists as list of edit operations. Used for example for implicitly animating Flutter lists without having to maintain a StatefulWidget.

Colorize console output

Comprehensive clipboard access package for Flutter. Supports reading and writing of rich text, images and other formats.

A lightweight library streaming event-based XML Parser to parse XML Documents as a SAX.

ShortId creates short non-sequential url-friendly unique ids. Perfect for url shorteners, MongoDB and Redis ids etc. (port from js)

Dart interface to irondash MessageChannel.

Allows send emails from flutter using native platform functionality.

String validation and sanitization for Dart.

A transparent image in Dart code, represented as a Uint8List.

Some of the most common and useful string methods, Inspired by various other programming languages.

Load environment variables from a `.env` file.

An extension on String for the missing methods for camelCase, PascalCase, Capital Case, snake_case, param-case, CONSTANT_CASE and others.

Decode Exif metadata from digital image files. Supported formats: TIFF, JPEG, HEIC, PNG, WebP

RBush — a high-performance R-tree-based 2D spatial index for points and rectangles.

Flutter clipboard with text, Rich Text (HTML), and image support.

Large collection of String functions aimed at extending the String class whilst providing safer methods for working with nullable Strings.

Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.

A flutter plugin which could read image,files from clipboard and write files to clipboard.

Easy access to FlutterView, FlutterBinaryMessenger and FlutterTextureRegistry for FFI.

Simple library for generating random ascii strings by default using Random from 'dart:math'.

Simple package for parsing pubspec.lock files with a type-safe API and rich error reporting.

Charset encoding and decoding Library, include iso-(2-15), windows series, gbk, euc-jp, euc-kr, shift-jis. And supportted charset detect, canEncode, canDecode.

A small and fast module using a sweepline algorithm to detect intersections between polygons and/or polylines.

A small library for detecting if a point lies inside a polygon

A full featured library for writing and running Dart benchmarks.

A lightweight library for GeoJSON data types available dart and flutter.

Fixed scale decimal numbers with mathematical operations, formatting and parsing.

Money2 is a high-precision library for storing, parsing, formatting, and performing arithmetic on monetary values and currencies. Fixed-decimal math, multi-currency support and conversions, parsing and formatting. (Money.parse('$2010.00') * 10).format('SCC#,##0') -> $US20,100

Insert an element between each element of an Iterable or List.

Provides easy access to system resources (CPU load, memory usage).

A lightweight library for detecting the running browser and OS

A Flutter plugin to access advertising ID.Wraps ASIdentifierManager.advertisingIdentifier (on iOS) and advertising ID (on Android).

Android implementation of the flutter_libphonenumber plugin.

Recurrence rule parsing & calculation as defined in the iCalendar RFC

Common dart libraries used by LaunchDarkly SDKs. This is an internal package not designed for general use.

Leverages libphonenumber to allow for asynchronous and synchronous formatting of phone numbers in Flutter apps.

A common platform interface for the flutter_libphonenumber plugin.

Web implementation of the flutter_libphonenumber plugin.

Dart package to render JSON data to YAML with built-in automatic beautifier and support for Dart pubspec.yaml and pubspec.lock conventions

Smithy client runtime for Dart with common utilities for I/O and serialization.

A library for parsing and evaluating mathematical expressions, supporting real numbers, vectors, and basic interval arithmetic.

A simple implementation of an Ordered Set for Dart that allows multiple items with the same priority.

A Dart Circular Buffer container based on List with a fixed capacity.

A cancellable event emitter which supports context based event driven programming.

Read, write and modify a pubspec.yaml with a type safe API including retention and modifications of comments and out of spec content.

A Sass implementation in Dart.

A tiny, secure, URL-friendly, unique string ID generator. Dart implementation of ai/nanoid

A library for converting HTML to Markdown. It supports CommonMark, simple table and custom converting rules.

MessagePack implementation for dart. MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON.

A collection of functions that allow you to interact with the file system and OS environment from any platform that supports dart:io. Copy, move, delete files and directory trees, search for files, create temp files and directories.

iOS compatible plist serialization and deserialization library for Dart.

String validation and sanitization for Dart.

A pure dart implementation of the BlurHash algorithm. This package provides both an encoder and a decoder, as well as some utility extensions.

Parse a git commit message using the Conventional Commits specification.

Automatically organize your dart imports

Simple CountUp timer / CountDown timer. It easily create app of stopwatch.

Simple in-memory fuzzy text searching library.

Wraps an object in a dedicated isolate and forwards method calls to it, so timer- or event-loop-driven work (e.g. progress spinners) keeps running even when the calling isolate's event loop is blocked. Dependency-free.

Dart extensions for translating integers to Roman numerals and Roman numeral strings to integers.

A framework for checking values against expectations and building custom expectations.

Provides Terminal/Ansi functions used by DCli the Dart Console SDK but is also intended to be used directly.

A full-featured package used to build and validate JSON schemas in Dart.

Returns cached result of function call when inputs were not changed from previous invocation.

A Javascript engine to use with flutter. It uses Quickjs on Android and JavascriptCore on IOS

Utilities for working with chunked streams, such as byte streams which is often given as a stream of byte chunks with type `Stream<List<int>>`.

A Flutter plugin which helps you to open another app from your app

Read and write .ini files

Common code used by multiple dcli packages.

This package provides the Stringprep (rfc4013) Profile for User Names and Passwords for dart. A port of https://github.com/reklatsmasters/saslprep to the dart lang

Message Pack implementation for dart

Converts a string into a slug. Useful for URLs, filenames, IDs, and more.

A tiny, secure, URL-friendly, unique string ID generator, nanoid with a pure Dart API.

Converts a path such as '/user/:id' into a regular expression.

iris_method_channel is a method channel that communicate between C/C++(iris) and dart, which is used by Agora Flutter SDKs.

Utilities to make working with 'Duration's easier. Formats duration in human readable form and also parses duration in human readable form to Dart's Duration.

Dart console SDK - write console (cli) apps/scripts using dart.

A pure dart package to apply useful rate limiting strategies on regular functions.

WeakMap is a map where the keys are weakly referenced. WeakContainer lets you check if an object is the same you had before. Cache functions for memoization with weak-references.

Jinja2 template engine for Dart. Variables, expressions, control structures and template inheritance.

Shared code between the stacked packages.

Text wrapping and filling. It's a pure port of textwrap from Python.

Low level synchronization primitives built on dart:ffi.

Retrieve Android/iOS device user agents in Flutter.

Flutter plugin that allows you to check if an app is installed/enabled, launch an app and get the list of installed apps.

Error handler library for type-safe and easy work with errors on Dart and Flutter. Either is an alternative to Nullable value and Exceptions.

Pure Dart Brotli decoder.

Fuzzy search in Dart. Initially a code conversion, subset of Fuse.js.

Matrix 2D is a package for mathematical 2D array functions and manipulations in Dart, similar to NumPy

MCP server that lets AI agents (Claude, Copilot, Cursor) inspect and interact with running Flutter apps — tap, scroll, type, and screenshot.

A templating library that implements the Mustache template specification, but is extendable.

Queue up futures from multiple sources and await their return anywhere in your code.

Low level synchronization primitives built on dart:ffi.

A Flutter plugin for app termination and restart with data clearing options.

A lib to validate, format, strip and generate CPF and CNPJ numbers from Brazil.

A common platform interface for memory_info.

A Flutter Plugin for Plist parser supporting XML and Binary formats.

A bugless implementation of BigDecimal in Dart based on Java's BigDecimal

Basic Flutter/Dart classes for ESC/POS printing. Ticket class generates ESC/POS commands that can be sent to a thermal printer.

An implementation of the punycode algorithm.

A package for formatting Dart strings like a format method in Python.

Provides list of ISO 3166-1 country codes in enum-like class, as well as parsing and user-assigned code elements

Adds extension method to get the ISO 8601 week of year from a date

Shelf middleware to GZIP encoding responses, with compression level and compression scope by content-type.

Multiple results for dart. Inspired by dartz's Either and Kotlin's sealed classes

A simple way to cache values that result from rather expensive operations.

An intuitive Event-based system, inspired by NodeJS's Event Emitter. Allows for multiple data types with type safety events. Based on JavaScript and suitable for Dart and Flutter.

Render text tables for your command line applications. Use padding, spans, custom borders, ANSI colors and more!

Lookup device marketing names for Android, iOS and browsers with ease. No internet connection or database required.

A renderer (printer) for the markdown library. Renders the parsed AST back into markdown.

A simple utility for creating Graphviz directed graphs using an object oriented API.

Terminal string styling done right with a number of builtin style functions.

A Changelog manipulation library. Read/modify/write your CHANGELOG.md. Inspired by keepachangelog.com.

Extension on Dart `pub_semver` library. Provides `nextBuild`, `nextPreRelease` and `change`.

JSON Patch (RFC 6902). Implements Add, Copy, Move, Remove, Replace, Test operations on JSON documents using JSON Pointers.

Chinese character conversion pinyin library.Accurate and complete Chinese character dictionary.Fast conversion.

Bson library for Dart. BSON is a binary-encoded serialization of JSON-like documents. The package allows also eJson and object serialization/deserialization.

Statsig SDK for Dart. Statsig enables developers to ship code faster and more safely.

Extensions for the core dart language classes.

Nonce contains a static generator that generates random alphanumeric strings, and can be constructed as an object containing a generated string.

Extensions for non Dart core packages.

Date manipulation library. DateTime extensions. Also includes an Interval object.

A set of helpers for resolving names and paths of dynamic libraries.

A Flutter plugin for the Android Play Install Referrer API. You can use it to securely retrieve referral content from Google Play.

A common platform interface for the hotkey_manager plugin.

Substitutes the Platform class, ensuring works across all platforms.

tvOS (Apple TV) implementation of the flutter_secure_storage Flutter plugin, provided by flutter-tvos.

Encoder and decoder for a canonical JSON format, useful when cryptographically hashing or signing JSON objects.

A Simple Linear Algebra Package enabling easy Matrix calculations.

Utilities for diffing two JSON objects

A time and space efficient collection of data structures and algorithms to deal with data in Dart.

A portable Markdown library written in Dart that can parse Markdown into AST and HTML.

Utility to convert an upper or lower case Web3/Ethereum address to a checksum address (EIP55).

Punycoder is a well tested Dart implementation of the RFC 3492 Punycode specification

Dart async extensions, to help usage of Future, FutureOr and async methods. Also allows performance improvements when using sync and async code.

This project parses and evaluates Common Expression Language (CEL) programs against some inputs.

Extension method for translation Time Zone Id to ISO 3166-1 alpha-2 code (e.g. 'Asia/Seoul' to 'KR')

Charset/encoding converter that uses underlying platform - no external dependencies

Blazing fast, cross-platform ObjectId implementation for the dart language.

Brings HexColor for your dart and flutter projects, convert material colors to hex colors

Simple union types using extension types. Types: the union of `int` and `String` is `Union2<int, String>`. Values: `42.u21` is `42` with type `Union2<int, Never>`.

The Usercentrics Apps SDK is a Consent Management Platform framework that ensures legal compliance for different legal frameworks.

Fast base encoding / decoding of any given alphabet dart implementation library.

Allows to kindly ask users to rate your app if custom conditions are met (eg. install time, number of launches, etc...).

A pure Dart implementation of JSONata - JSON query and transformation language for querying and transforming JSON data.

A library to compute rankings of players. Uses ELO for dynamic rankings, and Bradley-Terry for static rankings.

Asynchronous tasks and parallel executors (similar to thread pools) for all Dart platforms (transparently), without having to deal with `Isolate` complexity.

Easy async task cancellation for tasks using cancellation tokens in Dart.

a configurable package to detect shake gestures, using the sensors_plus package.

Comprehensive string manipulation plugin for dart. Handles operations on latin, non latin and grapheme clusters alike! Features inspured from VocaJs

Package to remove unused keys in arb files, across all translations

A package to get humanized file sizes. Translate raw file size into human readable strings.

SSH and SFTP client written in pure Dart, aiming to be feature-rich as well as easy to use.

Extension method for translation ios utsname to full product name.

Utilities for working with English words. Counts syllables, generates well-sounding word combinations, and provides access to the top 5000 English words by usage.

A free CAPTCHAs alternative to enhance security and protect against bots.

A streaming JSON parser optimized for LLM responses. Parse JSON reactively as it streams in, with path-based subscriptions and type-safe property access.

A Flutter package provides some implementations of TextInputFormatter that format input with pre-defined patterns

A library for managing asynchronous processes inspired by the Go sync package.

emoji-regex offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard.

The convenient enum of 256 colors for console. This library gives the color code for the console an easily recognizable name.

That package contains elements to easilly wrap JS library in Dart.

A sane UUID implementation with support for generating and handling v1, v4 and v5 UUIDs according to RFC4122.

A dart library for converting country codes to emoji flags.

General utilities for Dart projects.

Like dart:io but with Node.js.

Support for character encodings / charsets / codecs missing from `dart:convert` - ISO 8859 / Latin, Windows, DOS, GBK, Big5, and KOI8 R/U.

A package to format duration from ISO 8601 duration format. It can parse string in either PnYnMnDTnHnMnS or PnW format. It will return the duration in ISODuration type.

Fluri is a fluent URI library built to make URI mutation easy.

GBK codec converter (enCode and deCode) library includes bytes codec.

A Flutter plugin for debouncing can be used to simplify the implementation of debouncing logic in Flutter applications, making it easier to handle user interactions effectively.

Dart package to compute base 58 encoding. This encoding is typically used for crypto currencies such as Bitcoin.

A package that detects credit card types based on the current credit card number patterns

A package to get the ip address of the current device. Uses https://api64.ipify.org to get the system IP.

Libphonenumber Platform Interface with MethodChannels and Utils classes.

A Dart library containing convenient extension methods on basic Dart objects.

Country codes is an helper package that provides country details given a particular localization, such as dial codes, ISO 3166 codes (alpha-2, alpha-3) and country names.

Handy utility to unescape string representation (unicode, newline, tab, etc).

Calculate the modulo 97.

A tool to view and check the licenses of a package's dependencies. It also generates a disclaimer file containing all the package licenses.

A package that automatically generates JSON files for passing to the Dart --dart-define command and a Defines class for type-safe programmatic access. It streamlines environment constant management for different flavors and build-time constant injection.

A package that securely deploys files to the workspace from data retrieved from secret management tools such as the op inject command. It integrates with secret management tools like 1Password and AWS Secrets Manager to automate the distribution of sensitive files.

Run multiple future-returning & async functions with limited concurrency.

Provides data for world languages in the form of sealed classes.

Translates dart:ffi calls on the web to WebAssembly using dart:js

Stream generator.

Dart runtime extensions.

Notify wait/notify library.

Light-Weight Flutter utilities.

YamlX is a library for parsing and manipulating YAML files in Dart.

A validation library for IBANs included in the official registry. Also supports some unofficial ones.

A Flutter package to query the device for installed email apps and open them programmatically.

Secure app content visibility when user leave app. It will hide content in the app switcher and display a frost barrier above locked content when the user get backs

This package is not intended for wide use. It provides a temporary API to solve the problem: "Given an object some generic type A, how do I construct an instance of generic type B with the same type argument(s)?"

Query builder for mongo_dart

Lexicographically sortable, 128-bit identifier (UUID) with 48-bit timestamp and 80 random bits. Canonically encoded as a 26 character string, as opposed to the 36 character UUID.

Flutter package for Google libphonenumber, for Android and Web. Uses Flutter Federated Package for interoperability.

Collection of simple string and other types utilities.

A auto-completion engine for Dart/Flutter, based around an optimized Trie implementation.

Provides data for world currencies in the form of sealed classes.

Date and time library for Flutter, Web, and Server with support for timezones, calendars, cultures, formatting and parsing.

A cross-platform plugin for adding embedded Python runtime to your Flutter apps.

A password strength checker for flutter, works for Android and iOS.

Provides easy access to system resources (CPU load, memory usage).

This flutter plugin is useful to find the origin of currently installed apk/ipa.

📃 Calculates a minimal list of operations that convert one list into another if applied in order.

Supercharged brings all the comfort features from languages like Kotlin to all Dart developers.

A simple shell commands executor.

Forus Labs' standard library extension. Utilities for date-times, timezones, collections, monads & more.

Contains info about current platform such as Build mode and Operating system.

Flutter bindings for the Rust Vodozemac library

Provides UrlBuilder functions.

Simple Dart package for creating mailto links in your Flutter apps

Provides a collection of user input/output functions for the DCli Dart Console SDK, but is also intended for direct use when you just need to add user input to your console app without the full DCli set of features.\n

Utilities for formatting Dart's DateTime object using standard date/time notation or as a relative time offset.

jmespath is a dart implementation of JMESPath, which is a query language for JSON.

A Flutter package to detect file types based on their magic number instead of MIME types. Supports Flutter on mobile, desktop, and web without native code.

Useful and simple flutter color handler.

A Flutter/Dart utility to parse an SVG path into a equivalent Path object from dart:ui library.

Supercharged brings all the comfort features from languages like Kotlin to all Flutter developers.

A Dart implementation of URI Templates defined in (RFC 6570).

The power of lazy-evaluated enumerables in your hands! (A port of functional LINQ from the .NET library.)

A library of Dart and Flutter utility classes that are used across other components of the atPlatform.

General dev utilities for Dart projects.

Commitlint lint commit messages to satisfy conventional commit format

Contain "throttling" and "debouncing" async helper classes with listeners

A package that helps you work with fractions and mixed fractions.

Dart implementation of Googles Polyline Encoding lossy compression Algorithm.

Provides data for world countries in the form of sealed classes.

A dart port of the liquid / django HTML template engine.

SIMD-based linear algebra and statistics, efficient manipulation with numeric data

A Dart library that contains various utility classes such as atSign, atmetadata, configuration, and logger.

A package that validates credit card numbers, expiration dates, and security codes (CVV/CVC) based on the type of credit card

Package for load, manipulate, and save GPS data in GPX format (a light-weight XML data format for the interchange of GPS data - waypoints, routes, and tracks).

Flutter Color manipulation and conversion, ported from JS tinycolor2

A flutter plugin to read and set network proxy info from native.

The at_client library is the non-platform specific Client SDK which provides the essential methods for building an app using the atProtocol.

Regular expression for matching ANSI escape codes.

Generates random sentences and paragraphs (similar to "lorem ipsum" generators).

A Dart package that allows you to retrieve a list of running processes and check whether a specific process is running on Linux, macOS, and Windows.

Dart common utils library.Contain DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, RegexUtil, TextUtil, TimelineUtil, TimerUtil.

Provides methods to encode/decode strings to/from the utf7 format as defined in rfc 2152

Get the visual width of a string - the number of columns required to display it

binary-to-text encoding schemes that represent binary data in an unicode string format, each unicode character represent 15 bits of binary data.

Plugin to deal with Apple Wallet & PKPass files on iOS. You can check for availabililty and add them.

This package provides a list of Countries with their name, ISO code, Dial code, Flag and Currency

Semaphore is a lightweight data type that is used for controlling the cooperative access to a common resource inside the isolate.

A package for creating a customizable progress bar in console easily.

Dart exception and error classes with generic type. Enables throwing, catching, and filtering custom exceptions based on their type argument.

Cached lazy variables that can be marked for re-initialization and memoized single and double argument functions.

A lightweight library for parsing and updating spreadsheet documents

FHIR library of versions R4, STU3, DSTU2, and R5 (draft) for Dart & Flutter.

Retrieve the current Dart and Flutter SDK semantic versions with easy-to-use nullable getters for streamlined version management.

Utility functions and methods to generate random BigInt, generate random prime BigInt and check if BigInt is prime.

Dart library to encode, decode and pretty print hex string

Dart library that provides simple and elegant way to decode and encode PEM.

Base module classes with a well defined lifecycle for modular Dart applications.

A very fast static spatial index for 2D points based on a flat KD-tree. A port of javascript kdbush.

Cross-platform scientific library for Dart. The main goal of SciDart is run where Dart can run, in other words, run on Flutter, Dart CLI, Dart web, etc.

Extension methods for transforming objects and iterables into quoted strings and writing them to a string buffer.

UnifiedPush platform interface

Generated country class with country_generator using countries.

MCP integration for Genkit Dart.

A library for parsing and encoding IEEE-754 binary floating point numbers.

An implementation of RegExp that isolates delimited blocks of text and applies the pattern to each block separately.

A package to easily format money. It supports setting a custom currency symbol and format, using some of the inbuilt ones for the main currencies or using the system one.

The Didomi CMP Plugin allows companies to collect, store, and leverage user consent under GDPR, CCPA, and other data privacy regulations.

A Dart library for defining invertible functions and their compositions

A data related helper widget and tools to help you build your flutter app faster with less code.

A Dart library for converting between different units of measurement for various quantities

A package for stack data structure. have the push, pop, size, length, and top functionalities.

Dart library for converting standard data types to a binary format and back

A domain parser based on the Public Suffix List, for identifying the root and suffix/TLD of URLs.

A small set utilities to safely convert JSON to values and back

A Dart package that provides extensions for checking empty or zero values

Shared protocol implementation and utilities for generated AWS API clients.

Dart (Flutter) SDK for ConfigCat. ConfigCat is a hosted feature flag service that lets you manage feature toggles across frontend, backend, mobile, desktop apps.

Flutter MCP Toolkit to add Flutter-specific methods to the MCP server

A straight forward implementation of base58check extending upon bs58 for Flutter writing in Dart.

Plugin to monitor and prevent fraud attempts and malicious services to interact with your app. Contribute to list of blacklisted apps to keep everyone safe.

A pure dart implementation of advanced 2D box transformation with easy and simple API.

A wrapper for wasm which can be used as a drop-in replacement for dart:ffi for Web platform.

A Flutter implementation of box_transform package that provides easy 2D box transform operations with advanced resizing of rect in UI.

Executes async tasks with a configurable maximum concurrency and rate.

0 dependency package to convert a nested Map and flatten it into a single depth Map, and recover it later. Based on Node.js `flat` package.

A Flutter package to calculate someone's age in days, months, and years; in addition it can be used to find the difference between two dates.

This library provides the ability to query the device for installed email apps and open those apps

An easy and quick way to check if the local app is updated with the same version in their respective stores (Play Store / Apple Store ).

Convert number into words by localeID

Upgrade your class with automatic cleanup and finalization, similar to "using + IDisposable" in C# and "try-with-resource + AutoCloseable" in Java.

Emojis for Dart! This package contain all unicode 17.0 emojis (2025)!

This package provides an interface for cancelation tokens as well as various implementations (cancelable, timeout, composite...).

A lightweight package for gzip compression.

UnifiedPush Storage Interface

Dart timekeeping facilities. Make it easy to get uptime, and elapsed time.

A package which parses ISO 8061 Duration (PnYnMnDTnHnMnS format).

Multi-purpose immutable DateTime subclass. Supports multiple localizations to easily convert DateTime and Duration into human-readable format

A powerful and extensible Liquid template engine for Dart. Supports full Liquid syntax, custom tags and filters, and high-performance parsing and rendering.

Package for building SQL queries in Dart, focusing on MySQL support.

Process math expressions, like formulas or parts of equations, convert them to machine-readable form, and calculate them.

This tool is perfect for creating console apps, offering widgets for Console elements, input handling, Help generation, argument events, and option configuration

Dart model classes for the Model Context Protocol (MCP) — tools, resources, prompts, sampling, tasks and notifications. No codegen.

An implementation of a type `Optional<T>` in Dart, similar to the standard one in Swift.

It allows to get beautiful class to string.

CIE color difference algorithms in Dart. This contains the dE76, dE94 and dE00 color difference algorithms produced by the International Commission on Illumination.

Common utilities to use JavaScript interoperability with Dart

Dart library for working with Vehicle Identification Numbers (VINs) based on ISO 3779:2009 and World Manufacturer Identifiers (WMIs) based on ISO 3780:2009, enriched by NHTSA data.

A drop-in replacement for dart:ffi for all platforms including web (using wasm_ffi).

Heap manual track SDK for Flutter apps on iOS, Android, and macOS.

A Dart package to convert and format `DateTime` objects into human-readable 'time ago' strings like '20 seconds ago', 'a minute ago', or '7 hours ago'.

String truncation library supporting predefined and custom truncation strategies

An extended text editing controller that supports different inline styles for custom regex patterns.

A Dart package to handle dynamic String & Json interpolation.

Flutter plugin for KARTE Variables, provides a simple API to access variables. Supports on Android and iOS.

A package absorbing all Flutter utility functions, including extension functions and commonly used widgets

Pure Dart utility package for the JSON Patch standard. Can apply patch operations as well as perform a diff algorithm on JSON-like objects.

Write scripts that call subprocesses with the ease of shell scripting and the power of Dart.

Create random strings that match a given regular expression.

Tokenizes a string that represents a regular expression. Dart port of ret.js

Platform-agnostic rich text document model based on Delta format and used in Fleather editor.

A front matter parser that extracts YAML metadata from the start of a file or string.

R-tree implementation to index and query two-dimensional data

Pure Dart implementations of LZ4, Snappy, GZIP, and Zstd compression algorithms with no native dependencies.

A map of objects which can be sorted and filtered on both their key and value

For adding/subtracting sets of range of numbers, e.g. [ 1-3, 7-10 ]

A Flutter Plugin to get system plugin. Use to set dart HttpClient proxy for grabing requests.

Definitions of Rust-like types, Option and Result, to promote safer programming.

The package allows you to work with dynamic data in a strict form.

A common platform interface for the platform_device_id plugin.

Parse and generate ISO 8601 duration strings.

A package helps to cancel StreamSubscriptions and close Sinks.

A minimal Service Locator with compile-time safe provider references, enabling clean dependency injection patterns.

A URL-safe base64 encoding for UUIDv4 stripped of padding. Useful when embedding short random UUIDs in URLs.

Layrz API models for Dart/Flutter. This package contains the models used by the Layrz API.

An implementation of the Cassowary constraint solving algorithm in Dart.

A platform interface plugin for proximity screen lock plugins

Using this Package developer can check whether the user provided Email address Domain name is valid or fake

A new version for a really simple Flutter plugin to add events to each platform's default calendar.

An ultimate numerical package for Dart for professional and every day use.

wcwidth for dart

This package is designed to simplify the process of capturing phone numbers from users.

Dart tools for initial client onboarding, subsequent client enrollment, and enrollment management.

A Dart package that enhances the user experience by displaying static tabular data in terminal.

Cross-platform BSON ObjectId implementation in Dart

A drop-in replacement for Dart's DateTime class with const constructors.

A Generic Double Linked List data structure. Allows constant time inserting at elements at both ends, before and after any element and constant time element deletion.

A pure-dart library used to parse ICC profiles and create color transformations based on them

Lightweight parser for the JSON:API (http://jsonapi.org/) structure.

Flutter plugin for getting Android directories. (Downloads, Movies, Pictures...)

Write and run automated code modifications on a codebase. Primarily geared towards updating and refactoring Dart code, but can modify any files.

A flutter package for managing different configurations and making them available everythere inside the app.

Multi-platform `parsec` plugin for Flutter to calculate math equations using C++ library. Supports Android, Linux, Windows, and Web (WebAssembly).

Flutter plugin for works with colors schemes like a hex, hsl, xyz and cielab

A common platform interface for the zstandard plugin.

Emojis for Flutter & Dart (Unicode 17.0) + one, yet powerful emojis String extension

Android platform implementation of zstandard

iOS platform implementation of zstandard

Flutter plugin to implement Zstandard compression

Linux platform implementation of zstandard

Portable Dart package to handle data serialization/deserialization efficiently, including a dynamic BytesBuffer to read/write data.

macOS platform implementation of zstandard

Windows platform implementation of zstandard

Web platform implementation of zstandard

A lightweight library for encoding and decoding JSON5 with comments and trailing commas support.

Reactive storage for Dart/Flutter. RxDart Storage for Dart/Flutter.

A common platform interface for the flutter_charset_detector plugin.

Utilities for accessing binary data and bit manipulation in Dart.

A flutter package that implements a Controller for currency text input.

Dart bindings for Imaging from Pillow with jpeg and blurhash encoders

Android implementation of the flutter_charset_detector plugin.

Basic Flutter/Dart classes for ESC/POS printing. Ticket class generates ESC/POS commands that can be sent to a thermal printer.

Class definitions for pseudo-lists that simplify working with structures commonly encountered in combinatorics such as permutations, combinations and subsets.

Loads a DynamicLibrary of opus for usage with opus_dart on flutter platforms.

A Dart library for seamless interaction with JavaScript using `dart:js_interop`, supporting deep transformations of objects, maps, and arrays.

Streaming API implementation of MessagePack binary serialization format - msgpack.

A dart package to parse ISO Base Media File Format.

A fast data structure to match HTTP URL routes. Also handles regular expression (regexp) and glob path segments.

Dart bindings for Tizen native APIs, powered by ffigen.

Jaguar stuff common to both server and client. Uses neither dart:io nor dart:html

A shared interface for common random access data.

Decode EXIF data from image files (improved fork of https://github.com/bigflood/dartexif). Supports VM, JavaScript and Web Assembly.

Adds extension method to get the week number from a date

Package singleflight provides a duplicate function call suppression mechanism.

Flutter版本的shiply资源sdk

Hashids is small library to generate YouTube-like ids from numbers. Use Hashids when you do not want to expose your database ids to the user.

Get the free, available and total storage space for the device. Utility helpers for readable sizes

Implementation of The Remote Framebuffer Protocol (RFC 6143, aka VNC protocol)

This is a plugin that lets you get the basic information from your application's client. It's easy to use and supports different platforms (Android, iOS, and Web).

Simple and light units conversion package for all your needs.

A very fast link-checker. Crawls sites and checks integrity of links both in HTML and in CSS.

Extensions for handling common types and converting them to/from byte arrays

This package provides a Dart wrapper for WebAssembly JavaScript API

Dart implementation of a mustache subset for simple String templates with filters.

Statistics package for easy and efficient data manipulation with built-in Bayesian Network (Bayes Net), many mathematical functions and tools.

A minimal, zero-dependency Jinja templating engine for Dart, ported from llama.cpp. Focused on security and efficiency.

Flutter package for rendering JSON data as an interactive hierarchical tree structure with customizable appearance and lazy rendering for improved performance.

Boolean operations on polygons (union, intersection, difference, xor).

Strip markdown from markdown formatted string.

Scan JPEG markers in a JPEG file.

Country code plus is a helper package that provides country details given a particular localization, such as dial codes, ISO 3166 codes (alpha-2, alpha-3) and country names.

This project is a port of kotlin-stdlib for Dart/Flutter projects. It includes collections (KtList, KtMap, KtSet) with 150+ methods as well as other useful packages.

A framework-agnostic Seed/Branch keyed-reconcile tree engine — Flutter's element/reconciliation model extracted to pure, bare-VM Dart.

jsonlogic is dart implementation of JsonLogic, which applies logic rules on JSON.

A package for implementing finite state machines in Dart.

This plugin allows Flutter apps to watch clipboard changes.

UUID type, parser and generators. Can generate v1, v4, and v5 UUIDs

Simple Dart library to deal with state names and abbreviations.

a simple least recently used (LRU) cache implementation in dart.

A dart-lang implementation of the Multihash protocol of Multiformats.

Memory Cache is simple, fast and global in-memory cache with CRUD features.

Singleton make singleton implementation less hassle, and also make it more friendly to tests.

Dart native package inspired by Beautiful Soup 4 Python library. Provides easy ways of navigating, searching, and modifying the HTML tree.

Dartlin is a helper library that provides readable methods with which you can write cleaner looking code.

Extended Core Flutter framework primitives.

Get holidays in Japan. This library uses holiday_jp as Japanese holiday dataset.

To display data in a width-limited component, this function will smartly help you to convert number to a certain chart length. To be simple, plain, flexible and accurate.

Dart library for changing String case style to the desired convention.

A comprehensive Flutter package for idle detection with full web scroll support, mouse movement, keyboard input, and touch gesture detection.

A package for parsing String into DateTime in any format. Easy way to parse a date in any format and in any language, while always respecting ISO and RFC formats.

A JWT decoder that allows you to extract all the necessary data like the header, payload, expiration date and issued date from a JWT.

Low-level tools for working with JSON without creating intermediate objects.

A collection of extension methods for nums, ints, and doubles; and iterables of nums, ints, and doubles.

Mustache template library

Dart library for displaying ascii tables.

Convert numbers to words in 12 languages with currency & ordinal support. Easy-to-use extension methods for Flutter/Dart apps.

A pure Dart implementation of Handlebars template engine.

A secure and privacy-focused keyboard solution for Flutter, preventing input data leaks and ensuring safer text entry.

Emulates C# Guid. Generate new UUIDs, add variables of type Guid to classes.

Helper libraries for creating discoverable development services

Flutter plugin to verify the integrity of the app and detect if it has been tampered at run time.

Priority queue with concurrency control

A simple way to check if your application is already running.

A 2D Bézier curve math library. Based heavily on the work of @TheRealPomax <pomax.github.io/bezierjs>. Live examples can be found at <www.dartographer.com/bezier>.

A flexible Dart bytecode compiler and interpreter written in Dart, enabling dynamic execution and code push for AOT Dart apps.

Lightweight implementation of a semaphore, a condition variable, and a lock that can be used to control (synchronize) access to a shared resources within an isolate.

XPath package for HTML and XML, basic XPath syntax are supported.

Interface definitions for dartantic_ai for use in building custom providers.

Package for doing SQL with some type safety.

A common dependency for all context_plus-related packages

A common platform interface for the flutter_secure_storage_x plugin

Implementation of string distance algorithms for advanced text comparison.

A common platform interface for the flutter_email_sender plugin.

An ongoing effort to port the Java Topology Suite to the dart programming language and make it available to its mobile, dektop and web environments.

Facilitates working with physical quantities such as angles, lengths, masses, temperatures and many others. Supports uncertainty and arbitrary precision.

A Dart in-memory cache library with FIFO, LRU, MRU, LFU, TTL expiry, async-safe variants, and monitoring metrics.

Flutter three_js_math package converted from threejs and three_dart package to be used with three_js.

A tiny collection of basic interfaces.

This package makes it possible to use colored prints.

Implemention of base62 fractional indexing, in dart.

A common platform interface for the moengage_inbox plugin.

A package for serialize and deserialize common UI data classes in Flutter.

Robust, efficient, and deadlock-free synchronization in Dart. Concurrency made simple, without sacrificing performance.

A package inspired by functional programming, designed to enhance the structure, safety, and debuggability of mission-critical code.

A simple library for parsing strings into callable function-trees.

A Dart package for FSRS, which implements the Free Spaced Repetition Scheduler algorithm. This package assists developers in incorporating FSRS into their flashcard applications.

Package to find users' country from their IP. Dart package based on country API.

Compression framework providing FFI implementations for Brotli, Lz4, Zstd (Zstandard) with ready-to-use prebuilt binaries for Win/Linux/Mac.

Easily generate lexicographical sort for efficient reordering list item.

Additional APIs for Dart Sass.

MoneyFormatter is a Flutter extension to formatting various types of currencies according to the characteristics you like, without having to be tied to any localization.

Serialize Canvas path commands to SVG.

A minimalistic JPEG encoder.

It is a package to generate random text easily, quickly and dynamically.

A common platform interface for the flutter_screen_recording plugin

Provides classes and methods allowing to work with ranges

A library to convert Dart values into human-friendly representations.

printx will allow to print object in colorize

A Dart implementation of the Consistent Overhead Byte Stuffing (COBS) algorithm.

A library providing a tuple data structure for Dart and a convenient way to use it

A pure Dart package for working with RDF (resource description framework).

Functional batteries for Dart. Implementation of Either, Optional etc.

A representation of a complex number, i.e. a number which has both a real and imaginary part.

Common node and js utils to help in porting of node.js and javascript libs to dart.

An in-memory untyped data storage with the possibility to query and modify it

Annotations for the df_safer_dart_lints package.

Universally Unique Lexicographically Sortable Identifier for Dart

Cyrillic windows-1251 (cp1251) encoding implementation for Dart.

Checks for/sanitizes illegal characters in file names for different platforms.

Synchronization primitives for asynchronous Dart code: Event, Lock and Semaphore

A super simple dependency injection implementation for flutter that behaves like any normal IOC container and does not rely on mirrors

Content Values map helpers. Define objects that can be converted to/from maps.

Darwin implementation of the flutter_charset_detector plugin.

This plugin helps you to get install date of the application

Parser and utilities for AngularDart templates

Web implementation of the flutter_charset_detector plugin.

Replaces characters in strings that are illegal/unsafe for filenames.

A common platform interface for the screen_capturer plugin.