
1) Free software programmed in C
Found on
https://www.crosswordclues.com/clue/ngspice

Ngspice is a mixed-level/mixed-signal circuit simulator. It is the Open Source successor of Spice3f5. A small group of maintainers and the community of motivated users contribute to the ngspice project by providing new features, enhancements and bug fixes. Ngspice is based on three free software packages: Spice3f5, Xspice and Cider1b1: Ngspice is,...
Found on
http://en.wikipedia.org/wiki/Ngspice
No exact match found.