The original circuit simulation software, called the Simulation Program ... not all of which are as open or free as we might like. Qucs is a GPL circuit simulator. And if you want the GUI option ...

Electronic Design Automation (EDA) software involves a diverse set of algorithms and applications that are required for the design of complex next generation semiconductor and electronics products.

The latest version of this software, DesignSpark PCB version 12, is backed by the support of Infineon, Germany’s largest ...