Why?
This is a curated collection of open-source Android applications.
Exploring open-source projects is a great way to discover high-quality apps and enhance your development skills.
This project was inspired by open-source-ios-apps.
How to Contribute?
We are always looking for new and awesome projects!
You are welcome to star and fork this repository.
If you know of an app that isn't listed here, please feel free to submit a Pull Request or use our Add App Workflow.
All applications are organized into specific categories for easy navigation.
What's Inside?
🚀 Hot Apps (Stars > 10k)
| App Name | Description | ⭐ Stars |
|---|---|---|
| v2rayNG | A V2Ray client for Android, supporting Xray and v2fly cores. | 61.6k |
| Termux | A powerful terminal emulator and Linux environment for Android. | 59.7k |
| Joplin | A markdown-based note-taking app with sync and end-to-end encryption. | 56.1k |
| Rocket.Chat | A self-hostable, Slack-like online chat platform. | 46.0k |
| NewPipe | A lightweight, privacy-friendly YouTube frontend for Android. | 39.5k |
| Shadowsocks | A secure socks5 proxy client, widely used for bypassing network censorship. | 36.8k |
| Barcode Scanner (ZXing) | The official app for the popular open-source barcode scanning library. | 34.1k |
| SmartTubeNext | An ad-free client for watching YouTube on Android TV boxes, with a built-in updater. | 32.3k |
| Telegram | The official, open-source Android client for the Telegram messaging service. | 29.8k |
| Signal | A private messenger for secure calling and messaging. | 29.3k |
| Mindustry | A sandbox tower-defense game with resource management. | 28.7k |
| ExoPlayer | An extensible media player for Android from Google. | 21.9k |
| Super Productivity | An open-source to-do list and time tracker with timeboxing, Jira/GitHub/GitLab integration. | 21.6k |
| Google I/O | The official open-source app for the Google I/O conference. | 21.6k |
| Obtainium | Get app updates directly from their source (e.g., GitHub, F-Droid). | 19.2k |
| BookStack | A self-hosted platform for storing and organizing information and documentation. | 19.0k |
| GitHub Store | Github Store is a cross‑platform “play store” for GitHub releases. It discovers repositories that ship real installable binaries and lets you install, track, and update them across platforms from one place. | 17.9k |
| Plaid | A beautiful showcase of Material Design that pulls news from Dribbble & Product Hunt. | 16.2k |
| Organic Maps | A privacy-focused, offline maps app for travelers, tourists, hikers, and cyclists. | 15.2k |
| K-9 Mail | An advanced, open-source email client for Android. | 13.9k |
| Minetest | An open-source infinite-world block sandbox game with survival and crafting. | 13.5k |
| UniversalMusicPlayer | A Google sample demonstrating a cross-platform audio media app. | 13.2k |
| Aegis Authenticator | A free, secure, and open-source app to manage your 2-step verification tokens. | 13.0k |
| AnkiDroid | A powerful, intelligent flashcard app that uses spaced repetition. | 11.6k |
| CloudStream | An Android app for streaming and downloading movies, TV shows, and anime. | 10.5k |
| RTranslator | The world's first open-source simultaneous translation app. | 10.3k |
| Loop Habit Tracker | An app to help you create and maintain good habits over time. | 10.2k |
🗂️ Categories
| Category | Description | Count |
|---|---|---|
| 📺 Android TV | Applications optimized for Android TV. | 6 |
| ⌚ Android Wear | Applications for Android Wear/Wear OS. | 14 |
| 💼 Business | Tools for business management and productivity. | 3 |
| 💬 Communication | Messengers, email clients, and social tools. | 30 |
| 🎓 Education | Learning platforms and educational resources. | 20 |
| 💰 Finance | Budgeting, banking, and financial management. | 13 |
| 🎮 Game | Open-source games for Android. | 35 |
| 🏥 Health & Fitness | Wellness, tracking, and fitness apps. | 13 |
| 🏠 LifeStyle | Apps for daily life and personal habits. | 14 |
| 🎬 Multi-Media | Video players, music apps, and editors. | 51 |
| 📰 News & Magazines | RSS readers and news aggregators. | 40 |
| 🎨 Personalization | Launchers, wallpapers, and UI tweaks. | 18 |
| 📈 Productivity | Note-taking, task management, and office tools. | 49 |
| 🌐 Social Network | Clients for popular social platforms. | 51 |
| 🛠️ Tools | Utilities, system tools, and keyboards. | 123 |
| 🗺️ Travel & Local | Maps, navigation, and travel guides. | 18 |
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