
LTspice
KiCad
Fritzing
EasyEDA
Proteus PCB design
Altium Designer
Autodesk EAGLE
Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.

Profound
AI marketing platform for brands.

Which is more popular?
Based on our record, QUCS seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sourceforge.net | digraph.dev |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of QUCS yet.
Digraph is an AI marketing platform for brands. It brings together AI research, market intelligence, website and campaign analysis, specialist AI workflows, and marketer-led guidance to help teams understand what shapes buyer decisions and what to do next. Teams can measure how AI systems...
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No analysis of Digraph.dev yet.
Walkthroughs and reviews on video.
Qucs Tutorial: Simulating a common emitter bjt amplifier circuit
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The Qucs cross-platform circuit simulator is a spin-off of Qucs. The letter S stands for the SPICE engine, which performs all simulations within the software. The Qucs subproject's goal is to integrate free SPICE...
QUCS – Quite Universal Circuit Simulator is a free simulation software developed on GNU/Linux environment. Well, this software really works on other operating systems such as Solaris, Apple Macintosh, Microsoft...
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Recommendations tracked on public social media and blogs since March 2021.


If you can get s parameter model you can use that. There are also generic transformer and coupled line models so long as you've got a way of characterising it you should be able to model it. https://sourceforge.net/projects/qucs/. Source: over 3 years ago
Tracking Digraph.dev since Oct 2026.
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