A collection of best and actively developed open-source apps for android.
[ Multimedia Apps ]
Simple Gallery
https://f-droid.org/en/packages/com.simplemobiletools.gallery.pro
Audio Recorder
https://github.com/Dimowner/AudioRecorder
Simple Music Player
https://github.com/SimpleMobileTools/Simple-Music-Player
Simple Camera
https://f-droid.org/en/packages/com.simplemobiletools.camera
Open Camera
https://sourceforge.net/projects/opencamera/
Video Player
https://github.com/moneytoo/Player
[ Youtube Clients]
Smart Tube Next
https://github.com/yuliskov/SmartTubeNext
NewPipe
https://f-droid.org/en/packages/org.schabi.newpipe
[ Download Managers ]
Libretorrent
https://github.com/proninyaroslav/libretorrent
Download Navi
https://github.com/TachibanaGeneralLaboratories/download-navi
[ Apps Launcher & Icons]
Shade
https://github.com/amirzaidi/Shade
Lawnchair
https://github.com/LawnchairLauncher/lawnchair
Slim Launcher
https://github.com/sduduzog/slim-launcher
Frost Icon Pack
https://github.com/dkanada/frost
Ameixa Monochrome Icons
https://f-droid.org/en/packages/org.xphnx.ameixamonochrome
[ App Store / Downloader ]
Aurora Store
F-Droid
[ Files & Application Manager ]
Material Files
https://github.com/zhanghai/MaterialFiles
App Manager
https://f-droid.org/en/packages/io.github.muntashirakon.AppManager
Simple Notes
https://github.com/SimpleMobileTools/Simple-Notes
Simple Calculator
https://github.com/SimpleMobileTools/Simple-Calculator
xClipper Clipboard Manager
https://github.com/KaustubhPatange/XClipper/tree/master/XClipper.Android
[ Remote Desktop / Screen Casting ]
Screen Stream
https://github.com/dkrivoruchko/ScreenStream
[ Debug & logs collection ]
Scoop
https://github.com/TacoTheDank/Scoop
Logcat Reader
https://f-droid.org/en/packages/com.dp.logcatapp
[ Networking & File Sharing ]
IPFS Lite
https://f-droid.org/en/packages/threads.server/
Gear VPN