Gaphor is a UML modeling environment written in Python. Gaphor is small and very extensible.
The repository is located at http://github.com/gaphor/gaphor.
This is a Computer Aided Electronic Design tool. It features schematic capture, simulation and PCB layout for both analog and numerical componants with the help of Gnome.
This project is used to define monitor's gamma correction. It can define red, green and blue components separately by gamma ramp. Ramp is defined by brightness curve control points (number of control points is not limited)