Schematic circuit editor for VLSI and Mixed mode circuit simulation.
...Schematics can be printed in SVG, PNG, PDF, formats. XSCHEM runs on Linux or other Unix-likes with Xorg server and on Windows with the Cygwin layer and required tools installed.
Can be found also on github: https://github.com/StefanSchippers/xschem
The Repast Suite is a family of free agent-based modeling libraries.
The Repast Suite is a family of advanced, free, and open source agent-based modeling and simulation platforms that have been under continuous development for over 20 years. Current source code and releases are hosted on Github https://repast.github.io/
UPDATE March 14, 2018
Repository and tracking officially moved to github. https://github.com/opticks-org/opticks
Sourceforge mailing lists are still in use.
Opticks is an open source remote sensing application and development framework.