Carnet
Powerful note taking app with sync and online editorGPL-3.0-only
PDF Docket
Keep PDF tickets and passes at hand and show their barcodes in fullscreenGPL-3.0-only
LensCast
Turn your phone into a networked camera: web, MJPEG and RTSP streamingGPL-3.0-or-later
phyphox
Perform physics experiments with your phone. (by the RWTH Aachen University)GPL-3.0-only
Escapepod - Podcast Player
Escapepod is a simple and lightweight app for listening to podcasts.MIT
Transistor - Simple Radio App
Transistor is an app for listening to radio stations over the internet.MIT
My Expenses
Easy to use personal finance manager: rich functionality and Open SourceGPL-3.0-only
Jami
Share, freely and privatelyGPL-3.0-or-later