a free and powerful circuit simulator

Download

Currently QucsStudio supports Windows® only. It runs without installation. Decompressing the archive file creates the directory QucsStudio.
It is run by executing QucsStudio/bin/qucs.exe.

download QucsStudio-2.5.7.zip (59 MByte)

download QucsStudio-2.4.1.zip (57 MByte)

Changes in the new version: Changelog


Sources

The source code of ICARUS, GHDL, KiCAD, ADMS, MinGW and Octave can be downloaded from the official homepages. QucsStudio uses the unchanged binaries.

QucsAttenuator (attenuator synthesis tool)
QucsConv (file format converter)
QucsFilter (filter synthesis tool)
QucsTranscalc (transmission line calculator)
technical documentation (circuit simulation, models etc.)

See README and COPYING files for details.