Electronic Design Automation Tools
and any other Python packages that might be helpful to circuit design engineers
MyHDL - A Python-Based Hardware Description Language http://jandecaluwe.com/Tools/MyHDL/Overview.html
SimPy - A General Purpose Discrete Event Simulator http://simpy.sourceforge.net/
PyCell Studio - A stand-alone solution for OpenAccess PCell design. Free download. http://www.ciranova.com
SourceForge Projects - 247 under Electronic Design Automation
gEDA - a full GPL'd suite of EDA tools
EDA Tools Lab - Current focus is on use of Python in circuit design
OpenEDA - OpenAccess and other standards in the EDA industry