Android applications

Some must have Android application, mainly free and opensource when possible

Application Description F-Droid
VLC Multimedia player
Nova launcher    
Conversation Instant messaging (xmpp)
DAVx5  
Binary Eye QR-code scanner
Birthday Adapter Use contact birthday
AntennaPod Podcast manager
Breathly Relaxation
Etar Calendar
F-Droid  
Geometry Weather Weather widget
ICSx5  
ImagePipe  
Jami  
Jitsi Meet Visio conference
K-9 Mail Mail reader
Kodi Multimedia center
Kore Remote for Kodi
LibreOffice Viewer  
Catima Loyalty Card Keychain
OsmAnd~  
Muzei Wallpaper
My Expenses  
NewPipe Youtube player
Noice White noise generator
Om Meditation
Open Camera Camera
Open Note Scanner  
OpenConnect VPN
OpenVPN VPN
WireGuard VPN
OpenFoodFacts  
OpenKeyChain Manage PGP Keys
Pdf Viewer Plus PDF viewer
Radio Droid Listen to radio
StreetComplete Participate to OpenStreetMap effort
Syncthing Folder synchronisation
Tasks.org Task list
TermBot SSH terminal
Termux Terminal and local Linux
Transdroid Interface to Transmission (P2P)
Trebleshot File sharing
XScreenSaver Screen saver  
Droid48 HP48 calculator  
CityMapper    
Firefox Web browser  
Locus Autocleaning web browser  
Knots 3D Knot database  
Retro Arch Retro gaming  
Sleep as Android    
Snapseed Picgure processing  
Solid Explorer Filemanager