Open source. Open possibilities.

Nhost is an open-source Firebase alternative offering GraphQL, PostgreSQL, auth, storage, and serverless functions. Supports local dev, self-hosting, and multiple frontends.

Flame is a Flutter-based open-source 2D game engine. It supplies a game loop, component/object system, effects and particles, collision detection, input handling, sprites and animations, plus optional bridge packages for audio, physics, tiled maps, gamepads and more.

PiliPlus is a third-party Bilibili client developed with Flutter, supporting Android, iOS, tablets, Windows, and Linux. It offers features like video playback, danmaku, dynamic feeds, private messages, live streaming, offline caching, and DLNA casting.

Aptabase is an open-source, privacy-first analytics platform for mobile, desktop, and web apps. It offers SDKs for Swift, Kotlin, React Native, Flutter, Electron, and more, with minimal data collection and a simple dashboard.

A curated awesome list of Flutter resources, featuring libraries, UI components, tutorials, articles, videos, and open-source apps.

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.

Appwrite is an open-source, all-in-one development platform that provides backend infrastructure and web hosting for web, mobile, and AI applications.

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.

Flet is a framework for building multi-platform mobile, desktop, and web applications using only Python, requiring no prior frontend development experience.

LocalSend is a free, open-source cross-platform app for securely sharing files and messages between nearby devices over your local network. No internet or third-party servers required — uses REST API with HTTPS encryption.

A multi-platform MIDI chords and music theory application. It includes desktop (Python/PySide6), web (Cloudflare Worker), and mobile (Flutter) versions, offering harmonic detection, chord generation, and scale generation.

Flutter frontend for Fiestaaa, an app for organizing private events with friends and family. Supports event creation, invitations, collaborative shopping lists, carpooling, shared expenses, QR access codes, and push notifications.

RustDesk is an open-source remote desktop application written in Rust. It works out of the box, supports self-hosted rendezvous/relay servers, and offers file transfer, TCP tunneling, and cross-platform clients.

Immich is a high-performance self-hosted photo and video management solution featuring mobile and web interfaces.

An AI-first engineering toolkit that provides specialized knowledge, workflows, and standards to turn AI coding agents into senior mobile engineers.

FlClash is a cross-platform ClashMeta-based proxy client for Android, Windows, macOS, and Linux. It offers subscription links, WebDAV sync, Material You UI, dark mode, and is open-source and ad-free.

flub.js is a tiny DOM microframework with reactive signals, no virtual DOM or compiler, and typed component factories for building browser applications.

Omi is an open-source AI assistant that captures screen and audio, transcribes conversations in real-time, generates summaries and action items, and offers a persistent chat memory across devices including desktop, mobile, and wearables.

A Flutter-based offline-first student productivity app for managing courses, attendance, grades, tasks, and Pomodoro focus sessions. Features a comic-print neo-brutalist design system with local Hive storage — no account or cloud required.