xmgrace and qtgrace plotting interface in python
2D Editor to manage garden or flat plan
Le couteau-suisse du prof de maths
Optical Design Software for simulating systems of lenses, prisms, etc.
MindRaider is a personal notebook and outliner.
Autoplot is an interactive browser for data on the web
The Great Periodic Path Hunt at gwtokarsky.github.io
Direct tissue-level image quantification package for Mathematica
Easy Tools of PDF, Image, File, Network, Data, and Medias