JaxoDraw: Feynman Diagrams made easy!
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
This is a reistor color calculator for debian/linux systems.
Alpha, Beta, Gamma measurements and Nuclide exposure
Spectroradiometer control for shipborne reflectance measurements
MeteoStaionNM for weather station WS1080(WH1080) for Linux (Ubuntu).