Android Apps

• browser: Firefox / Fennec / IronFox
• email client: K-9 Mail / Thunderbird
• CalDAV + CardDAV: DAVx5

Photos

• camera app: Open Camera
• image gallery: Aves Libre
  • alternative: Fossify Gallery
• photo editor: Image Toolbox

Audio

• music player: Metro / Symphony / Vanilla Music
• Navidrome client: Symfonium
• voice recorder: Audio Recorder / Fossify Voice Recorder
• podcasts: AntennaPod / Podcast Addict

AntennaPod is FOSS, while Podcast Addict is not.

Productivity

• todo.txt: Simpletask
• calendar: Etar / Fossify Calendar
• notes: Markor

Social

• RSS reader: Feeder
• Mastodon: Moshidon / Tusky
• Lemmy: Jerboa / Thunder
• Pixelfed: PixelDroid / Pixelix
• YT frontend
  • direct connection to YT: NewPipe / SkyTube / Tubular
  • piped proxy: LibreTube
• Signal: Molly

Programming

• code editor: Acode
• GUI git client: MGit

Security

• local password manager: KeePassDX
• local 2FA: Aegis

Other

• weather: Breezy Weather
• translate: Lentil Translate / LibreTranslator
• calculator: yetCalc / CalcYou
  • alternative: OpenCalc
• clock: Chronos / Clock You / Fossify Clock
• local AI: Maid

System

• dialer: Emerald Dialer / Fossify Phone / Koler
• contacts: Connect You / Fossify Contacts
• SMS messenger: Quik SMS
• keyboard: FlorisBoard / HeliBoard
• file manager: Material Files
• alternative app stores
  • standard: Aurora Store
  • FOSS: f-droid / G-droid
• OCR: OCR (based on Tesseract 5)
• QR codes: Binary Eye / SecScanQR