# 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](https://github.com/dkhamsing/open-source-ios-apps).

# How to Contribute?
> We are always looking for new and awesome projects!
> You are welcome to [star](https://github.com/pcqpcq/open-source-android-apps/stargazers) and [fork](https://github.com/pcqpcq/open-source-android-apps#fork-destination-box) this repository.
> If you know of an app that isn't listed here, please feel free to submit a [Pull Request](https://github.com/pcqpcq/open-source-android-apps/pulls) or use our [**Add App Workflow**](https://github.com/pcqpcq/open-source-android-apps/actions/workflows/add-app.yml).
> All applications are organized into specific categories for easy navigation.

# What's Inside?

## 🚀 Hot Apps (Stars > 10k)
| App Name | Description | ⭐ Stars |
| :--- | :--- | :---: |
| [**v2rayNG**](https://github.com/2dust/v2rayNG) | A V2Ray client for Android, supporting Xray and v2fly cores. | 61.6k |
| [**Termux**](https://github.com/termux/termux-app) | A powerful terminal emulator and Linux environment for Android. | 59.7k |
| [**Joplin**](https://github.com/laurent22/joplin) | A markdown-based note-taking app with sync and end-to-end encryption. | 56.1k |
| [**Rocket.Chat**](https://github.com/RocketChat/Rocket.Chat) | A self-hostable, Slack-like online chat platform. | 46.0k |
| [**NewPipe**](https://github.com/TeamNewPipe/NewPipe) | A lightweight, privacy-friendly YouTube frontend for Android. | 39.5k |
| [**Shadowsocks**](https://github.com/shadowsocks/shadowsocks-android) | A secure socks5 proxy client, widely used for bypassing network censorship. | 36.8k |
| [**Barcode Scanner (ZXing)**](https://github.com/zxing/zxing) | The official app for the popular open-source barcode scanning library. | 34.1k |
| [**SmartTubeNext**](https://github.com/yuliskov/SmartTube) | An ad-free client for watching YouTube on Android TV boxes, with a built-in updater. | 32.3k |
| [**Telegram**](https://github.com/DrKLO/Telegram) | The official, open-source Android client for the Telegram messaging service. | 29.8k |
| [**Signal**](https://github.com/signalapp/Signal-Android) | A private messenger for secure calling and messaging. | 29.3k |
| [**Mindustry**](https://github.com/Anuken/Mindustry) | A sandbox tower-defense game with resource management. | 28.7k |
| [**ExoPlayer**](https://github.com/google/ExoPlayer) | An extensible media player for Android from Google. | 21.9k |
| [**Super Productivity**](https://github.com/super-productivity/super-productivity) | An open-source to-do list and time tracker with timeboxing, Jira/GitHub/GitLab integration. | 21.6k |
| [**Google I/O**](https://github.com/google/iosched) | The official open-source app for the Google I/O conference. | 21.6k |
| [**Obtainium**](https://github.com/ImranR98/Obtainium) | Get app updates directly from their source (e.g., GitHub, F-Droid). | 19.2k |
| [**BookStack**](https://github.com/BookStackApp/BookStack) | A self-hosted platform for storing and organizing information and documentation. | 19.0k |
| [**GitHub Store**](https://github.com/kurikomi-labs/komi-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**](https://github.com/nickbutcher/plaid) | A beautiful showcase of Material Design that pulls news from Dribbble & Product Hunt. | 16.2k |
| [**Organic Maps**](https://github.com/organicmaps/organicmaps) | A privacy-focused, offline maps app for travelers, tourists, hikers, and cyclists. | 15.2k |
| [**K-9 Mail**](https://github.com/thunderbird/thunderbird-android) | An advanced, open-source email client for Android. | 13.9k |
| [**Minetest**](https://github.com/luanti-org/luanti) | An open-source infinite-world block sandbox game with survival and crafting. | 13.5k |
| [**UniversalMusicPlayer**](https://github.com/android/uamp) | A Google sample demonstrating a cross-platform audio media app. | 13.2k |
| [**Aegis Authenticator**](https://github.com/beemdevelopment/Aegis) | A free, secure, and open-source app to manage your 2-step verification tokens. | 13.0k |
| [**AnkiDroid**](https://github.com/ankidroid/Anki-Android) | A powerful, intelligent flashcard app that uses spaced repetition. | 11.6k |
| [**CloudStream**](https://github.com/recloudstream/cloudstream) | An Android app for streaming and downloading movies, TV shows, and anime. | 10.5k |
| [**RTranslator**](https://github.com/niedev/RTranslator) | The world's first open-source simultaneous translation app. | 10.3k |
| [**Loop Habit Tracker**](https://github.com/iSoron/uhabits) | An app to help you create and maintain good habits over time. | 10.2k |
## 🗂️ Categories

| Category | Description | Count |
| :--- | :--- | :---: |
| [📺 Android TV](categories/android_tv.md) | Applications optimized for Android TV. | 6 |
| [⌚ Android Wear](categories/android_wear.md) | Applications for Android Wear/Wear OS. | 14 |
| [💼 Business](categories/business.md) | Tools for business management and productivity. | 3 |
| [💬 Communication](categories/communication.md) | Messengers, email clients, and social tools. | 30 |
| [🎓 Education](categories/education.md) | Learning platforms and educational resources. | 20 |
| [💰 Finance](categories/finance.md) | Budgeting, banking, and financial management. | 13 |
| [🎮 Game](categories/game.md) | Open-source games for Android. | 35 |
| [🏥 Health & Fitness](categories/health_fitness.md) | Wellness, tracking, and fitness apps. | 13 |
| [🏠 LifeStyle](categories/life_style.md) | Apps for daily life and personal habits. | 14 |
| [🎬 Multi-Media](categories/multi_media.md) | Video players, music apps, and editors. | 51 |
| [📰 News & Magazines](categories/news_and_magazines.md) | RSS readers and news aggregators. | 40 |
| [🎨 Personalization](categories/personalization.md) | Launchers, wallpapers, and UI tweaks. | 18 |
| [📈 Productivity](categories/productivity.md) | Note-taking, task management, and office tools. | 49 |
| [🌐 Social Network](categories/social_network.md) | Clients for popular social platforms. | 51 |
| [🛠️ Tools](categories/tools.md) | Utilities, system tools, and keyboards. | 123 |
| [🗺️ Travel & Local](categories/travel_and_local.md) | Maps, navigation, and travel guides. | 18 |

# Contribution Rules

> 1. Don't be evil.
> 2. Don't repeat yourself (DRY).
> 3. Make only one change per commit ([English](http://blog.ploeh.dk/2015/01/15/10-tips-for-better-pull-requests/), [Chinese](http://www.infoq.com/cn/news/2015/02/pull-reques-ten-suggestion))

# FAQ

> * [Is this redundant with F-Droid?](https://github.com/pcqpcq/open-source-android-apps/issues/16)

# Share

> Enjoying this project? Share it with your friends!  
>   
> [](https://x.com/intent/tweet?text=Look%20at%20this%20nice%20project,%20a%20collection%20of%20Android%20open%20source%20apps.%20Made%20by%20@pcq019.%20https://github.com/pcqpcq/open-source-android-apps)   [](https://www.facebook.com/sharer/sharer.php?u=https://github.com/pcqpcq/open-source-android-apps)   [](http://service.weibo.com/share/share.php?searchPic=false&title=Android%25E5%25BC%2580%25E6%25BA%2590%25E5%25BA%2594%25E7%2594%25A8%25E9%259B%2586%25E5%2590%2588%2520by%2520@pcqpcq%2520&url=https://github.com/pcqpcq/open-source-android-apps)

## Star History

<a href="https://star-history.dera.page/#pcqpcq/open-source-android-apps&type=date&legend=top-left">
 
   
   
   
 
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