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


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


It's the eXtended Permission Manager app for Android which makes it easy to set and review desired permissions on installed apps, keeping track of any unwanted changes. Giving control on your device, it enables you to protect your privacy and save your resources like battery...




This converter allows you to calculate the buying power in a specified year of any amount of money (for USA, UK and France) to an equivalent amount in another year by taking into account the inflation rate between these two years.






MouseRemote was initiated as the solution of controlling computer via Local Network. It is Android Application which emulates the behaviour of touchpad of Laptop computer. MouseRemoteServer is required to be run in Computer in order to control Computer Remotly.




Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals. In order to support the user during his training, the app provides stopwatches, which can be configured according to the user’s own training...



Create your own ringtone by editing a music track in your library, or record a new one directly from the phone.






Offline vector maps support hiking, cycling, skiing, off-roading; enables track recording and background navigation; map filtering, custom places, terrain contours.




Calculator-inator is a Calculator & Converter for Android inspired from Google Calculator







A time tracking app that respects your privacy and gets the job done without getting too fancy.




Radiocells.org is a community project to collect informations on cell tower and wifi base stations and bring them on a map.




Simple Chess Clock is what its name implies: a chess clock (that’s simple!). It aims to be easy to use and easy to read, while also providing some reasonably expected features.

Privacy Friendly Sudoku is a logic puzzle game. The goal is to fill the complete board with numbers. Every number may only occur once in every column, row and subsection.



This is a native music player for Android devices that connects to Jellyfin media servers. The code is based on a relatively recent version of Phonograph and was made for personal use, but contributions are welcome!




OI File Manager allows you to browse your SD card, create directories, rename, copy, move, and delete files. It also acts as an extension to other applications to display "Open" and "Save" dialogs.



QuickWeather is really fast. Just open the app and see the weather right now. There's no loading screen and no wait time. The weather is delivered to you with no extra junk, just clean and clear information.