Aegis Authenticator
Free, secure and open source 2FA app to manage tokens for your online servicesGPL-3.0-only
AgePony: Encrypt & Sign
Post-quantum file & message encryption with age. On-device, private, no ads.Apache-2.0
FitBuddy
AI calorie & workout tracker with region-aware diets — log by photo or textGPL-3.0-only
SimpleX Chat
SimpleX Chat - e2e encrypted messenger without any user IDs - private by design!AGPL-3.0-or-later
1Key Password Manager
Offline password manager. 2FA + notes. No account, no network, no telemetry.GPL-3.0-only
Cambium
NIP-55 signer that holds no keys: signing is proxied to a NIP-46 hardware bunkerMIT
Trail Sense
Use your phone's sensors to assist with wilderness treksMIT
WM Keyboard
A private, offline keyboard: 845 languages, smart typing, themes, and tools.MIT
Ente Auth - 2FA Authenticator
Free, Cross Platform, Private, Open Source Two Factor Authenticator AppAGPL-3.0-only
Knit
Encrypted mesh chat over Wi-Fi Aware & Bluetooth — no internet, no servers.GPL-3.0-or-later
phyphox
Perform physics experiments with your phone. (by the RWTH Aachen University)GPL-3.0-only
OpenKeychain: Easy PGP
Encrypt your Files and Communications. Compatible with the OpenPGP Standard.GPL-3.0-or-later
MoneyBuster
Multi-project shared budget manager able to sync with self hosted FOSS servicesGPL-3.0-or-later
Unciv
Open source 4X civilization-building gameMPL-2.0