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://www.myhdl.org/
SimPy - A General Purpose Discrete Event Simulator http://sourceforge.net/p/simpy/
PyCell Studio - A stand-alone solution for OpenAccess PCell design. Free download. http://www.ciranova.com
SourceForge Projects - Listed 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
PyEDA - Python EDA, Boolean Algebra