@OwenK @fdroidorg
Aegis Authenticator: 2FA code generator
OsmAnd+: Offline maps based on OpenStreetMap; paid on Google Play, but free on F-Droid (still, doesn't hurt to donate)
Simpletask: TODO app, supports the todo.txt format
Markor: Notes app, also supports todo.txt
Phone Saver: Save files from the share menu
Simple Apps series: Replacements for basic apps; I especially like Simple Gallery and Simple Contacts (it can edit birthdays)
Sky Map: Live night sky guide
@OwenK @fdroidorg
Transportr: Tells you what public transport to take to get somewhere, very useful.
Mather: Better, text-based calculator (also includes unit conversion)
Calendula: medical prescription management (reminder to take, reminder to buy, etc.)
Document Viewer: Viewer/manager for PDF, EPUB, .cbz and other formats
Scrambled Exif: Removes metadata when sharing photos
Syncthing: Really good file synchronization
TEdit: Text editor
VLC: Media player