QucsStudio a free and powerful circuit simulator NEW: Version 5.9 is now available. Thanks to all who made a donation! Download Docs QucsStudio a free and powerful circuit simulator Download Docs Take off and simulate your circuits realistically! Screenshots Get a first impression of QucsStudio. The screenshots will show you its rich feature set. VIEW […]
Jan 11, 2026 ·
https://sourceforge.net/projects/qucs/
Jan 11, 2026 · Qucs is a circuit simulator with graphical user interface. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Transient, Noise and Harmonic Balance analysis.
For circuit optimization, Qucs uses the ASCO tool (http://asco.sourceforge.net/). A brief description on how to prepare your schematic, execute and interprete the results is given below.