Android implementation of the google_sign_in plugin.

iOS implementation of the google_sign_in plugin.

Flutter plugin for Google Sign-In, a secure authentication system for signing in with a Google account.

Flutter plugin for Firebase Auth, enabling authentication using passwords, phone numbers and identity providers like Google, Facebook and Twitter.

Obtain Access credentials for Google services using OAuth 2.0

Android implementation of the local_auth plugin.

iOS implementation of the local_auth plugin.

An easy to use JSON Web Token (JWT) implementation in Dart with all algorithms supported.

Flutter plugin to allow local authentication via biometrics, passcode, pin, or pattern.

Windows implementation of the local_auth plugin.

Flutter bridge to initiate Sign in with Apple (on iOS, macOS, and Android). Includes support for keychain entries as well as signing in with an Apple ID.

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

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

Flutter plugin for authenticating a user with a web service.

This plugin provides an abstraction around the Android and iOS AppAuth SDKs so it can be used to communicate with OAuth 2.0 and OpenID Connect providers

A Dart JS-interop layer for Google Identity Services. Google's new sign-in SDK for Web that supports multiple types of credentials.

Javascript Object Signing and Encryption (JOSE) library supporting JWE, JWS, JWK and JWT

Https Certificate pinning for Flutter. Checks the equality between the known SHA-1 or SHA-256 fingerprint and the SHA-1 or SHA-256 of the target server.

Server-side utilities for implementing Sign in with Apple in a server written in Dart, complementing the client-side sign_in_with_apple package.

This package enables Firebase OAuth on desktop via webview

Javascript Object Signing and Encryption (JOSE) library supporting JWE, JWS, JWK and JWT

Firebase UI widgets for authentication & OAuth

Flutter library for interacting with OAuth2 servers, with classes for transparent authorized requests, secure token storage, automatic token refreshing.

A bridge package between google_sign_in and googleapis_auth, to create Authenticated Clients from google_sign_in user credentials.

Hardware-backed biometric authentication for Flutter (Android, iOS, macOS, Windows). Create cryptographic signatures using Secure Enclave, StrongBox, and Windows Hello.

Secure Storage: Encrypted data store optionally secured by biometric lock with support for iOS, Android, MacOS. Partial support for Linux, Windows and web (localStorage).

A dart package containing models and helpers for OpenId Connect spec.

A Flutter OAuth package for performing user authentication against Azure Active Directory OAuth2 v2.0 endpoint.

Firebase UI widgets for authentication & OAuth.

Lightweight implementation of JSON Web Tokens (JWT).

A comprehensive Flutter plugin for managing Microsoft authentication using the native Microsoft Authentication Library (MSAL).

Provides JWT utilities for Dart including issuing a token, verifing a token and parsing a token.

Package that will allow you to authenticate and use Clerk from Dart code.

Flutter plugin to detect changes in biometric authentication status on Android and iOS.

The official authentication library for Dart Frog — a fast, minimalistic backend framework for Dart.

Flutter plugin for Zendesk Messaging SDK. Provides in-app customer support messaging with multi-conversation support, real-time events, and JWT authentication.

Flutter Twitter Login Plugin. Library for login with Twitter APIs OAuth service

Firebase UI widgets for authentication & OAuth.

Sign in With Apple for Flutter. Native API bindings and a Flutter implementation of the sign in button.

A comprehensive OpenIdConnect plugin that works on all platforms (android, ios, windows, linux, web, macos)

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

Sign in with email for the Serverpod auth module.

dart web package for oidc protocol

The default OidcStore implementation for package:oidc

Library for login with LinkedIn OAuth V2 service with OpedID. This library helps you to implement authorization with LinkedIn OAuth API's.

Uqudo SDK Flutter plugin. It allows you to scan and verify ID document, perform biometric verification and run background checks.

A simple pure dart package used for creating and validating Json Web Tokens using the private and public key provided, refer to documentation for more information.

Package that will allow you to authenticate and use Clerk from Flutter code.

Dart module with VK ID OAuth API functions. The module allows to log in using VK ID API and receive an access token and user data

Provides the ability to lock the screen on ios and android. Biometric authentication can be used in addition to passcode.

Firebase UI widgets for authentication & OAuth.

This plugin provides an alternative to AppAuth using WebView for OAuth 2.0 authorization/authentication.

Sign in with Google for the Serverpod auth module.

Secures your secrets in keychain using biometric authentication (Fingerprint, Touch ID, Face ID...)

Keycloak Single Sign-On (SSO) authentication package for Flutter framework.

A fast & simple email authentication OTP sender and verification flutter package.

A Dart SDK for working with Selective Disclosure JSON Web Tokens (SD-JWT) following the SD-JWT specification.

Sign in with Apple for the Serverpod auth module.

Sign in with Firebase for the Serverpod auth module.

A password strength estimator inspired by password crackers. This is a Dart rewrite of zxcvbn-ts, which is a rewrite and further evolution of zxcvbn by Dropbox.

"RFC 5849: The OAuth 1.0 Protocol" client implementation for Dart.

Secure Remote Password (SRP-6a) for zero-knowledge authentication without transmitting password-equivalents.

A flutter plugin that allows access to Local Authentication / Biometrics on iOS, macOS, Linux and Android.

SBB OpenID Connect package for Flutter

Login via Facebook. Easily add Facebook login feature in your application. User profile information included.

Dart implementation of Model Context Protocol (MCP) client. Supports protocol revisions 2024-11-05 / 2025-03-26 / 2025-06-18 / 2025-11-25 with per-version capability negotiation, OAuth 2.1, and stdio / SSE / Streamable HTTP transports.

A Flutter plugin for integrating Veriff identity verification. Supports Android, iOS, and Web platforms.

Provides tools to handle OAuth for AT Protocol and Bluesky Social.

Dart implementation of Model Context Protocol (MCP) server. Supports protocol revisions 2024-11-05 / 2025-03-26 / 2025-06-18 / 2025-11-25 with per-version capability gating, OAuth 2.1 (RFC 9728), and stdio / SSE / Streamable HTTP transports.

This package helps to encryption and decryption with or without secret key and JWT decode.

This package provides comprehensive REST API functionality for Flutter applications.

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

A fast and easy-to-use time-based one-time password (TOTP) authentication package for your Flutter application.

A Flutter package for seamless LinkedIn authentication, allowing users to sign in with LinkedIn and retrieve profile data securely.

A server that listens on loopback address for an authorization response

A Flutter plugin for obtaining device identifiers on Android and iOS, including Android ID, Advertising ID, UUID, device fingerprint, and more.

A customizable oauth client with token storage and interceptors for dio

A Microsoft Authentication Library wrapper for Android and iOS

Starter kit for Magic Framework. Auth, Profile, Teams, Notifications — 13 opt-in features with overridable views.

Firebase UI widgets for authentication & OAuth.

A flutter package which makes easy to use JWT token to store and get details encoded in JWT Token.

Flutter plugin that uses Truecaller's OAuth SDK for Android based on OAuth 2.0 which is the industry-standard protocol for authorization.

A Flutter plugin to get the SHA-1 and SHA-256 fingerprints of the app.

A Flutter package for seamless Telegram login integration using Telegram OAuth.

Abstraction for communicating with REST API in flutter projects. Incorporates exception handling and jwt with refresh token authorization.

Lightweight JWT token decoder with typed claim access and expiration checking

Official-style UAE PASS SDK for Flutter. Secure digital identity login, Emirates ID profile retrieval, Biometric FaceID (SOP3), and OIDC authentication for citizens and visitors.

Flutter plugin for WeCom (Enterprise WeChat) auth. Supports configure, app-installed check, register, auth, and auto login flow.

A complete OAuth2 solution for Flutter apps. Handles auth, token storage, and token refresh.

A comprehensive Flutter plugin for seamless Passkey (WebAuthn) integration on iOS, macOS, and Android. Enable passwordless authentication with biometric security.

Authenticate Using GitHub on Android & iOS You can let your users authenticate with Firebase using their GitHub accounts by integrating web-based generic OAuth Login into your app using the Firebase SDK to carry out the end to end sign-in flow.

WebAuthn/Passkeys support for permissionless.dart ERC-4337 smart accounts. Enables biometric authentication with Kernel and Safe accounts using P256 signatures.

A Flutter package for easy Instagram login using OAuth authentication. Fetch user data seamlessly with just a few lines of code.

Smart biometric auth with grace period. Skips prompt if phone was recently unlocked.

Sparky é pacote que ajuda na construção de apis rest de forma simples com suporte a websocket a autenticação jwt.

Flutter plugin for Telegram Login, enabling passwordless OAuth authentication with native SDK integration for iOS and Android.

Library to pradronize the login method do Senior Sistemas clocking event system

Secure key-value storage gated by biometric authentication with change detection and PIN fallback.

A comprehensive Flutter plugin for accessing native device features including Camera (Photos, QR & Barcode), Location, Device Information, and Biometric Authentication.

A Flutter plugin for AWS Rekognition Face Liveness detection.

Flutter plugin for biometric and device authentication on Android & iOS, featuring session management, widget/navigation-level guards, and reactive UI state.

A Flutter/Dart authentication client for the awesome-node-auth backend. Supports web (including WASM) via cookie + CSRF and native platforms via Bearer token.

Sign in With Apple for Flutter. Native API bindings and a Flutter implementation of the sign in button. Null Safety Sound Ready.

Build beautiful onboarding flows with minimal code. Optional authentication included.

A comprehensive Flutter OTP verification package with SMS autofill, biometric support, performance monitoring, and extensive customization options.

A free and secure Flutter face liveness detection plugin for biometric authentication, KYC verification, face recognition, and anti-spoof real-time motion detection.

A lightweight and fast Telegram OAuth authentication package for Flutter. Features 1-second polling, flexible configuration, and clean API without UI dependencies.

Native Yandex LoginSDK wrapper for Flutter — SSO via installed Yandex apps with browser fallback (iOS + Android).

A complete authentication plugin for Angel3. Includes support for stateless JWT tokens, Basic Auth, and more.

An unopinionated RFC-compliant OAuth 2.0 client which doesn't make assumption on anything

Complete client-side security toolkit for Flutter — 27 shields + CLI security scanner covering RASP, PII protection, encryption, biometrics, anti-tampering, and more. Native on all 6 platforms.

Provides the optimized and easiest way to integrate OAuth 2.0 PKCE with Twitter API in Flutter.

A Dart backend framework with built-in auth, database, realtime, and admin dashboard.

BioPass ID Fingerprint SDK Flutter plugin.

Production-ready SSL pinning for Dart/Flutter with Dio, http (IOClient) and dart:io. Protects against MITM attacks with SHA-256 certificate fingerprint validation.

"RFC 5849: The OAuth 1.0 Protocol" client implementation for Dart.

Automatically handles 401/403 responses in Dio — cancels all in-flight requests and navigates to a custom unauthenticated screen. Router-agnostic.

An implementation of the ACE-OAuth framework, intended for OAuth clients. Its main feature is CBOR-(de-)serializable data models.

A Flutter OAuth package for performing user authentication against Azure Active Directory OAuth2 v2.0 endpoint.

Package to verify a firebase jwt token across multiple Firebase projects

A Flutter package that helps users to handle enabling and disabling biometrics in an application

An easy-to-use firebase phone authentication package to easily send and verify OTP's with auto-fetch OTP support via SMS. Supports web out of the box.

Better Auth adapter for Dartvex. Self-hosted authentication for Convex with Better Auth.

Official Flutter plugin for Freshdesk Mobile SDK. Integrate customer support chat, ticketing, and help desk features with real-time messaging and JWT authentication.

Android and iOS devices to allow Local Authentication + Cryptography via Biometric.

Generate key pair and signing (NIST P-256 EC key pair using ECDSA) using Local Authentication for Android and iOS.

A comprehensive Flutter package for integrating Apple Sign-In with features for secure authentication and user data management.

This package provide out of the box entering PIN code functionality, which can be used with biometric authentication.

A high-performance JWT decoder and authentication manager for Flutter. Easily parse payloads, check expiration, and manage auth headers.

Secure cryptographic utilities for Dart JWT authentication, field encryption, password hashing, and deterministic hashing.

A class containing handlers that can be used within Angel to build a spec-compliant OAuth 2.0 server.

Create your own authentication and authorization strategies for your web application.

Tencent CloudBase Flutter SDK for authentication, cloud functions, cloud run, and API gateway integration.

A Dart package to interact with the Apple Search Ads API using OAuth 2.0 authentication.

A plugin for fingerprint dialog

Flutter plugin for Android and iOS device authentication sensors such as Fingerprint Reader and Touch ID with no visible dialog on Android.

The Microsoft Authentication Library (MSAL) enables developers to acquire tokens from the Microsoft identity platform in order to authenticate users and access secured

A Flutter plugin to interface with fingerprint machines and retrieve attendance data, user information, and other related records.

Biometric Auth Callback can easily track every fail and success.

Aadhaar Auth Service provides secure Aadhaar-based authentication (OTP, Biometric) and e-KYC integration for Flutter apps, fully compliant with UIDAI guidelines.

Social login SDK for Korean apps. Unified API for Kakao, Naver, Google, and Apple login. Standardized user info, Korean error messages, and official design guideline buttons.

A Flutter plugin for biometric authentication on Android, iOS, and macOS. Supports fingerprint, Face ID, Touch ID with both system and custom UI options.

Enhanced secure storage with biometric unlock and key rotation.

A customizable, animated, and accessible OTP input widget for Flutter with advanced theming, error handling, and paste detection.

Package for decoding Json Web Token (JWT), and selecting specific claims.

A wrapper in pure Dart to connect to Twitch.tv using OAuth implicit authentication.

Library for login with LinkedIn OAuth V2 service. This library helps you to implement authorization with LinkedIn OAuth API's.

Add and manage OAuth2 authentication for your Chopper client.

Flutter plugin which lets you to generate key pair and do cryptographic signing using biometric authentication.

A Flutter package to generate and verify TOTP codes with QR setup widget. Works on all platforms.

Provides Oauth clients with token auto-refresh support, queueing requests, offline support

The zk_finger plugin is used for supporting fingerprint device of zkecto with enrolling and verification feature.

JWT Hero is a Flutter package that helps you to manage JWT tokens in your Flutter app.

A comprehensive Flutter package for GitHub OAuth authentication with user data fetching. Supports both mobile and web platforms with a clean, easy-to-use API.

A Flutter plugin for easy implementation of biometric authentication (fingerprint, face ID, etc.) on Android and iOS, with support for different biometric types and error handling.

A Flutter package for biometric-protected encryption of small secrets using Android Keystore and iOS Keychain/Secure Enclave.

The easy way to use biometric authentication in your Flutter app.

Provides the optimized and easiest way to integrate OAuth 2.0 with Mastodon API in Flutter.

A package for creating fingerprints of any environment.

Effortlessly add GitHub login to your app for secure and seamless authentication.

A Dart wrapper for the 'Sign in with Apple JS' framework with helper methods to simplify usage.

A Flutter package that provides secure app entry point with auto-locking, biometric authentication, and lifecycle management.

A Flutter plugin to integrate Zoom Meeting SDK directly in your app. Join meetings without switching to Zoom app. Simple initialization with JWT authentication.

this package is to implement faceID, touchID and fingerprint authentication

The zk_finger10 plugin is used for supporting fingerprint device of ZKTECO with enrolling and verification feature.

the GitHub OAuth Login package! This package is designed to simplify the process of implementing GitHub OAuth login functionality in your Flutter apps. With just a few lines of code, you can easily authenticate your users with their GitHub accounts, giving them access to your app's features and data.