Qucs is trying to emulate Keysight's ADS software. It is mainly RF focused, but can do a lot more. ADS is awesome. Qucs has great potential, but needs some work

Qucs is trying to emulate Keysight's ADS software. It is mainly RF focused, but can do a lot more. ADS is awesome. Qucs has great potential, but needs some work. It is still useful, though.