Open source. Open possibilities.

2024 Programming Challenges Roadmap: step-by-step exercises, solutions, videos, and rankings. Use any language and contribute your solutions.

A high-performance Flutter camera plugin using the Nitro SDK for zero-overhead native bindings, offering real-time GPU-accelerated video and low-latency FFI.

Dart wrapper for OpenMLS implementing Messaging Layer Security (MLS) protocol for encrypted group messaging, with TreeKEM, encrypted storage, cross‑platform Flutter support, and experimental post‑quantum ciphersuites.

Flutter is Google's open-source SDK for building fast, beautiful apps for mobile, web, and desktop from a single codebase, featuring hot reload, rich widgets, and native performance.

A Flutter plugin providing native circular and rectangular image cropping for Android, iOS, macOS, and Web platforms via a federated plugin structure.

aptabase_flutter is a Flutter SDK that integrates Aptabase, an open-source privacy-first analytics platform. Supports mobile, desktop, and web with automatic event enhancement.

FlutterFire is a collection of official Firebase plugins for Flutter apps, providing integrations for authentication, Firestore, Cloud Storage, messaging, analytics, crash reporting, and more across Android, iOS, Web, and macOS platforms.

ANTLR v4 is a parser generator that reads grammars and produces parsers, parse trees, and listener/visitor interfaces for structured text or binary files. It supports ten target languages including Java, C#, Python3, JavaScript, TypeScript, Go, C++, Swift, Dart, and PHP.