mJournal for Mac
a note taking application for Mac OS X

Plot2 for Mac
a scientific 2D plotting program for OS X

Calc3 for IOS
a beautiful simple tape calculator for your iPhone with a uniq user interface

Wetter for iPad and iPhone
an app which draws beautiful weather forecast meteograms

23andArt
build beautiful unique images from your 23andMe raw data

64 for IOS
a block droping puzzle game inspired from Tetris and 2048

Salz for iPhone
a utility that converts salt concentration units

iFEL for IPAD
a monitoring and control App for the free electron laser at the Fritz-Haber-Institut in Berlin

BugSim for iPad
a simulation game for Darwinian evolution, specifically through survival of the fittest