List of the great apps on opensource (FOSS) app market F-droid (https://f-droid.org/). Pull Requests really welcome.
- AdAway Block advertisements
- APG OpenPGP port for android for email/files
- AFWall+ Firewall (iptables frontend)
- OpenKeychain Another OpenPGP port for android for email/files
- NewPipe Lightweight YouTube frontend
- Tinfoil for facebook Facebook browser with Privacy
- Messenger bypasser Redirects "OpenFB Messenger" intents to the web chat
- DNS66 Block ads via DNS without root.
- aDosBox Play DOS games on android
- Gloomy Dungeons 2 Oldschool style 3d FPS
- PPSSPP PSP emulator
- Nesoid NES emulator
- Dolphin gamecube, wii, triforce emulator
- BmiCalulator
- Termux Terminal emulator with packages (node, python, ssh)
- K-9 Mail Great email with pop3, imap and encryption
- AnkiDroid Learning English and Japanese through flashcards (compatible with Anki data)
- AtennaPod Podcasts
- Red Moon Screen filter for night phone usage
- Slide Reddit
- Syncthing File Synchronization
- Tasks To-do list
- Telegram Telegram messages
- Material Player Simple audiobook player
- MuPDF PDF viewer with encryption
- AnySoftKeyboard Alternative Keyboard
- FBReader E-book reader
- VIMTouch Vim text style editor
- TextEdit TextEditor
- Amaze Light File manager
- ListMyApps List of Apps
- Pedometer
- spaRSS Feed Reader