The main focus of this project is to create a music player that is optimized for speed (even with large music libraries).
- Audio Player
- Free • Open Source
- Android
- Android Tablet
- F-Droid



The main focus of this project is to create a music player that is optimized for speed (even with large music libraries).



Discover the rules by solving small puzzles. You will learn about new mathematical ideas.


Mute Ad/promotions from Accuradio & Spotify Android.



An android application that helps you keep track of your shopping list that has a compare the price per unit of different items and shows you the best one to get.



CityZen is an open source Android app that helps you navigate and explore your city easily. With CityZen you find points of interest (POIs) such as ATMs, gas stations, drugstores, mobile phone stores and other interesting services near you.



Funny round based single/multiplayer game for awesome times. Very new, challenging and addictive.

Provides tunings for various instruments and supports chromatic tuning. Displays



Android app which adds an always on display. Free, no ads and open source.



To be used whenever you are showing off pictures to your phone. Prevents someone


Open-source Android email client focused on privacy with minimalist design and features like multi-account support, unified inbox, and encryption.


Free and open-source music streaming Android client for Subsonic API compatible servers - ultrasonic/ultrasonic






Open Surge is a fun 2D retro platformer inspired by Sonic games and a game creation system that lets you unleash your creativity!.

Free calls using open technology on Android. A heavily enhanced derivative of SIPdroid, adding support for ZRTP, SRTP, ENUM, ICE/TURN
FocusPodcast is a top quality podcast management and playback application. Choose from over two million podcasts and 50 million episodes!.

An app that manages your phones volume. It will mute your phone for you, so that you never get disturbed when doing important things!



Map your environment simply and fast, directly from the app. Keep your eyes wide open and contribute to OSM while on the run.



RadarWeather lets you watch the weather for cities and locations you are interested in.



obsqr is an open-source, fast and lightweight QR scanner for Android.

DecSync CC synchronizes contacts, calendars and tasks using DecSync. It stores this data in a shared directory, using Syncthing, Google Drive, Dropbox or any other file synchronization service.
Historically, setting a custom MAC address on Android was very easy for rooted users. Starting with Android 12, however, Google's implementation of MAC address randomization has made it impossible, as the MAC address is always changed when the network state is altered.



Free offline navigation app using OSM data, Mapsforge-vtm for rendering, Graphhopper for routing, map downloads, turn-by-turn directions, and no ads.



Bites is a cook book application. Recipes can be created on your phone, downloaded from the web and shared with friends via sms. Pick a recipe to make, tick off the ingredients you need, then add the ones you need to the shopping list in Trolly or SMS them to someone to pick up...


Application uses cell network, WIFI and GPS to get your location and show you weather on the place where you are actually. if you use widget on your phone or tablet, you can see your location and current weather on the main screen.