BayesianBahn
Empirical arrival-time distributions for Deutsche Bahn trainsMIT
GridLoad
Shows when to run your appliances, based on the dynamic electricity priceGPL-3.0-only
Waterfly III
Unofficial App for Firefly III, an open source personal finance manager.MIT
Key Mapper
Make shortcuts for ANYTHING! Remap volume, power, keyboard, or floating buttons!GPL-3.0-only
Lumine
A lightweight local HTTP/SOCKS5 proxy server protects TLS connections over TCP.GPL-3.0-only
Vacation Days
See when you’re free — Vacation Days helps you keep track of your days off.Apache-2.0
Shellwave: SSH Client & SFTP
Open-source SSH client and terminal with SFTP, port forwarding and jump hostsGPL-3.0-only
Al-Azan - Prayer Times
Privacy focused open-source muslim Adhan (islamic prayer times) and qibla appAGPL-3.0-only
baresip+
VoIP and mobile calling and messaging app based on baresip libraryBSD-3-Clause
QuickTiles
Android Quick Settings TilesGPL-3.0-or-later
Voice Memos
A voice recorder with an inline player and a trim editor, no ads, no networkMIT
Privacy Flip
Manage your device privacy based on lock/unlock stateGPL-3.0-only
Easer (beta)
User-defined explicit automation for AndroidGPL-3.0-or-later
EtchDroid ISO to USB Writer
Write operating system ISO images to USB drives, no root requiredGPL-3.0-only
Exif Thumbnail Adder
Add thumbnail in the EXIF tag of JPEG picture not having one (batch processing)GPL-3.0-or-later
Apollo
Apollo Music PlayerGPL-3.0-or-later
DroidFS
Store & access your files securelyAGPL-3.0-only
Clockwork: 2FA Authenticator
Offline 2FA authenticator: TOTP codes, no network permission, no accounts.MIT
baresip
VoIP and mobile calling and messaging app based on baresip libraryBSD-3-Clause
K-9 Mail
Full-featured email clientApache-2.0