Open-source Android apps, and where to install them.
540 free and open-source apps in 16 categories. Each one shows its GitHub stars, when the code last changed, what it is written in, and whether it is on Google Play or F-Droid.
- 140 on Google Play
- 93 on F-Droid
- 150 written in Kotlin
- 124 changed this week
Stars and activity from GitHub, store availability from F-Droid, refreshed Oct 16, 2026.
124 apps got new code this week
Most-starred on GitHub
Across all categories, archived projects left out
v2rayNG64.1kKotlinupdated 5d agoA V2Ray client for Android, supporting Xray and v2fly cores.
Termux62.7kJavaupdated 20d agoA powerful terminal emulator and Linux environment for Android.Google PlayF-Droid 0.118.3
Joplin56.8kTypeScriptupdated todayA markdown-based note-taking app with sync and end-to-end encryption.Google PlayF-Droid 3.7.8
Rocket.Chat46.3kTypeScriptupdated todayA self-hostable, Slack-like online chat platform.
NewPipe40.2kJavaupdated todayA lightweight, privacy-friendly YouTube frontend for Android.F-Droid 0.29.1
Shadowsocks36.8kKotlinupdated 2mo agoA secure socks5 proxy client, widely used for bypassing network censorship.Google PlayF-Droid 5.3.5-nightly
SmartTubeNext35kJavaupdated todayAn ad-free client for watching YouTube on Android TV boxes, with a built-in updater.
Barcode Scanner (ZXing)34.2kJavaupdated 3d agoThe official app for the popular open-source barcode scanning library.
Telegram30.1kJavaupdated 2d agoThe official, open-source Android client for the Telegram messaging service.Google Play
Signal29.5kKotlinupdated 1d agoA private messenger for secure calling and messaging.Google Play
Mindustry29.4kJavaupdated 4d agoA sandbox tower-defense game with resource management.Google PlayF-Droid 8-fdroid-160.7
Super Productivity22.9kTypeScriptupdated todayAn open-source to-do list and time tracker with timeboxing, Jira/GitHub/GitLab integration.Google PlayF-Droid 19.2.0Browse by category
Tools136Terminals, file managers, password managers, keyboards, proxies and app storesMultimedia60Video and music players, YouTube front ends, podcast apps, galleries and audiobook playersProductivity52Notes, to-do lists, habit trackers, email, file sync and document scannersSocial Network51Clients for Reddit, Mastodon, GitHub, Twitch, Twitter and other networksNews & Magazines41RSS readers, Hacker News and Reddit readers, Wikipedia and news clientsCommunication34Messengers, email clients, SMS apps and translation toolsGames35Roguelikes, strategy and sandbox games, puzzles and classic portsEducation22Flashcards, language learning, courses and campus appsTravel & Local20Offline maps, navigation, public transport, geocaching and location sharingPersonalization19Launchers, keyboards, wallpapers and icon pack toolsHealth & Fitness15Workout and run trackers, pedometers, mood and weight diariesFinance15Expense trackers, budgeting apps and Bitcoin walletsWear OS15Watch faces and small apps for Wear OS and AsteroidOS watchesLifestyle14Diaries, birthday and nameday calendars, reminders and everyday helpersAndroid TV7YouTube, Jellyfin and media clients built for Android TVBusiness4File sync, social scheduling, e-commerce and nonprofit administration