A libre lightweight streaming front-end for Android.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

OsmAnd

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

Fully featured, open source, privacy friendly email app for Android

A simple way to block access to the internet per app

XPrivacy - The ultimate, yet easy to use, privacy manager

NewPipe's core library for extracting data from streaming sites

Repository moved to: https://codeberg.org/OpenTracksApp/OpenTracks

Vector map library and writer - running on Android and Desktop.

Tesseract based OCR for android

Android app for video and audio transcoder, based on FFmpeg

Really simple to use privacy manager for Android 6.0 Marshmallow and later

A ported version of Michael Ossmann's libhackrf library to use with Android 3.1+

Decode SSTV encoded audio signals to images

Meme Creator for Android - Simple & Ad-Free

Android spirit level & ruler

A privacy friendly weather app for Android with built in rain radar

Because not all paparazzis are evil!

Android App to easily compare similar images

Graph weather widget for Android

BackPackTrack II

Android app for quick calculation practice

Fine Geotag

Navigation tool for Android

XPrivacy - The ultimate, yet easy to use, privacy manager

A ported version of the libairspy library to use with Android 3.1+

Track your journey