Category Utilities
Most active Utilities packages
General-purpose helpers: extensions, formatters, validators, algorithms, data structures
Ranked by total commits to the linked GitHub repository over the past 52 weeks. Packages need a public GitHub repo, at least 50 commits in the window, and at least 100 downloads a day. Monorepo siblings collapse to the highest-downloaded package.
three_js_math first shipped 1 year ago. Ranks #18 in Utilities by commit activity, #612 by daily downloads in the same category.
| Rank | Package | Description | Commits / yr | Last commit | Downloads / day | Stars |
|---|---|---|---|---|---|---|
| #1 | dart.dev | Annotations used to express developer intentions that can't otherwise be deduced by statically analyzing source code. | 5.8K | 4d ago | 269.3K | ★ 11.1K |
| #2 | atsign.org | A library of Dart and Flutter utility classes that are used across other components of the atPlatform. | 1.3K | 8d ago | 415 | ★ 1.4K |
| #3 | flutter.dev | A templating library that implements the Mustache template specification | 1K | 5d ago | 187K | ★ 5.2K |
| #4 | atprotodart.com | Core library for parsing IPFS-related things. This package is mainly used by https://atprotodart.com packages. | 593 | 24d ago | 128 | ★ 206 |
| #5 | labs.dart.dev | A library to invoke the native C compiler installed on the host machine. | 483 | 8d ago | 95.5K | ★ 264 |
| #6 | labs.flutter.dev | A full-featured package used to build and validate JSON schemas in Dart. | 467 | 7d ago | 673 | ★ 1.6K |
| #7 | goldenm.com | Layrz API models for Dart/Flutter. This package contains the models used by the Layrz API. | 293 | 9d ago | 203 | ★ 3 |
| #8 | vyp.dev | A common platform interface for the zstandard plugin. | 252 | 1mo ago | 151 | ★ 8 |
| #9 | FlatBuffers reading and writing library for Dart. Based on original work by Konstantin Scheglov and Paul Berry of the Dart SDK team. | 212 | 5d ago | 4.4K | ★ 25.9K | |
| #10 | aws-amplify.com | Smithy client runtime for Dart with common utilities for I/O and serialization. | 212 | 8d ago | 2.5K | ★ 1.4K |
| #11 | tsin.is | Provides data for world languages in the form of sealed classes. | 210 | 24d ago | 500 | ★ 63 |
| #12 | halildurmus.dev | Allocation tracking and leak detection for Dart FFI code. | 204 | 4d ago | 4.7K | ★ 844 |
| #13 | leancode.co | MCP server that lets AI agents (Claude, Copilot, Cursor) inspect and interact with running Flutter apps — tap, scroll, type, and screenshot. | 198 | 8d ago | 585 | ★ 282 |
| #14 | eaglesakura.com | Dart runtime extensions. | 187 | 1mo ago | 227 | ★ 2 |
| #15 | tools.dart.dev | Provides a standard representation for source code locations and spans. | 179 | 7d ago | 308.9K | ★ 105 |
| #16 | lukas-renggli.ch | Full-featured XML for Dart — DOM parsing, SAX streaming, XPath 3 querying, and a fluent builder API. | 179 | 4d ago | 227.7K | ★ 227 |
| #17 | onepub.dev | 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. | 178 | 1mo ago | 1.9K | ★ 265 |
| #18 | Flutter three_js_math package converted from threejs and three_dart package to be used with three_js. | 160 | 5d ago | 111 | ★ 86 | |
| #19 | stduritemplate.proj.sbs | A Dart implementation of URI Templates defined in (RFC 6570). | 154 | 6d ago | 345 | ★ 51 |
| #20 | koji-1009.com | A common platform interface for the flutter_secure_storage_x plugin | 128 | 17d ago | 145 | ★ 2 |
| #21 | jamcorder.com | A common platform interface for the flutter_blue_plus plugin. | 127 | 4d ago | 5.7K | ★ 992 |
| #22 | terminal.studio | SSH and SFTP client written in pure Dart, aiming to be feature-rich as well as easy to use. | 123 | 1mo ago | 592 | ★ 252 |
| #23 | codingfeline.com | Unicode 17.0 Normalization - NFC, NFD, NFKC, NFKD. This is a Dart port of [walling/unorm](https://github.com/walling/unorm). | 118 | 7d ago | 4.7K | ★ 14 |
| #24 | tusar.dev | A query string encoding and decoding library for Dart. Ported from qs for JavaScript. | 108 | 28d ago | 4K | ★ 7 |
| #25 | sass-lang.com | A Sass implementation in Dart. | 102 | 6d ago | 2.6K | ★ 4.2K |
| #26 | labs.dart.dev | Time zone databases and time zone aware `DateTime`. | 95 | 6d ago | 70.2K | ★ 47 |
| #27 | brickhub.dev | A Dart template generator which helps teams generate files quickly and consistently.
| 90 | 1mo ago | 8.1K | ★ 1.1K |
| #28 | leanflutter.dev | A simple shell commands executor. | 86 | 1mo ago | 555 | ★ 1.1K |
| #29 | google.dev | Runtime library for protocol buffers support. Use with package:protoc_plugin to generate Dart code for your '.proto' files. | 85 | 1mo ago | 50K | ★ 564 |
| #30 | ethanblake.xyz | A flexible Dart bytecode compiler and interpreter written in Dart, enabling dynamic execution and code push for AOT Dart apps. | 83 | 15d ago | 169 | ★ 399 |
| #31 | flutter-it.dev | 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" | 82 | 2mo ago | 53.4K | ★ 1.5K |
| #32 | A common platform interface for the speech_to_text plugin. | 80 | 4mo ago | 9.9K | ★ 466 | |
| #33 | eaglesakura.com | 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. | 80 | 3mo ago | 225 | ★ 0 |
| #34 | tools.dart.dev | An API for defining and verifying files and directory structures. | 79 | 12d ago | 3.9K | ★ 529 |
| #35 | A package to get the ip address of the current device. Uses https://api64.ipify.org to get the system IP. | 73 | 6mo ago | 640 | ★ 29 | |
| #36 | Retrieve the current Dart and Flutter SDK semantic versions with easy-to-use nullable getters for streamlined version management. | 72 | 12d ago | 357 | ★ 3 | |
| #37 | finchdart.com | Package for building SQL queries in Dart, focusing on MySQL support. | 72 | 6mo ago | 332 | ★ 6 |
| #38 | fluttercommunity.dev | Flutter plugin providing detailed information about the device (make, model, etc.), and Android or iOS version the app is running on. | 66 | 22d ago | 92.8K | ★ 1.9K |
| #39 | sdk.usercentrics.com | The Usercentrics Apps SDK is a Consent Management Platform framework that ensures legal compliance for different legal frameworks. | 65 | 20d ago | 721 | ★ 6 |
| #40 | mixin.dev | A flutter plugin which could read image,files from clipboard and write files to clipboard. | 63 | 7d ago | 3.1K | ★ 505 |
| #41 | google.dev | Function for sanitizing HTML to prevent XSS by restrict elements and attributes to a safe subset of allowed values. | 62 | 6d ago | 22.5K | ★ 507 |
| #42 | invertase.io | Parse a git commit message using the Conventional Commits specification. | 58 | 7d ago | 2.1K | ★ 1.5K |
| #43 | launchdarkly.com | Common dart libraries used by LaunchDarkly SDKs. This is an internal package not designed for general use. | 54 | 6d ago | 3.2K | ★ 19 |
| #44 | victorcarreras.dev | 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. | 53 | 23d ago | 303 | ★ 6 |
| #45 | google.dev | Library for use by client APIs generated from Discovery Documents. | 52 | 7d ago | 23.3K | ★ 418 |
| #46 | A Flutter Plugin for Plist parser supporting XML and Binary formats. | 52 | 17d ago | 1.2K | ★ 13 | |
| #47 | inlavigo.com | gg_json offers a bunch of JSON helpers used in various context. | 52 | 2mo ago | 130 | ★ 1 |
| #48 | nylo.dev | Micro-framework for Flutter that's built to simplify app development for Flutter projects. | 51 | 3d ago | 191 | ★ 145 |