
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.

Claude Code
Cursor
Google Antigravity
warp by spolu
GitHub Copilot
Codex 3.0 by OpenAI
aider
The AI coding agent, built for the terminal.

Which is more popular?
Based on our record, opencode seems to be a lot more popular than QUCS. While we know about 73 links to opencode, we've tracked only 1 mention of QUCS.
Website, pricing, platforms and company facts side by side.
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| Website | sourceforge.net | opencode.ai |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Qucs Tutorial: Simulating a common emitter bjt amplifier circuit
More videos
OpenCode: FASTEST AI Coder + Opensource! BYE Gemini CLI & ClaudeCode!
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using QUCS and opencode. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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...
We have no reviews of opencode yet. Be the first one to post
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
You can check out Muse Spark 1.3 by using OpenCode (https://opencode.ai/ - open-source AI / coding harness). There's a terminal version and a GUI / desktop version. Good luck! - Source: Hacker News / about 1 month ago
[OpenCode IDE](https://opencode.ai/) (for the indexing part). - Source: Hacker News / about 1 month ago
What the person above is suggesting: * https://pi.dev/ * https://omp.sh/ Personally I also think that OpenCode is nice, their CLI version is enjoyable and their desktop/web version is mostly okay: * https://opencode.ai/. - Source: Hacker News / about 2 months ago
When comparing QUCS and opencode, you can also consider the following products.

LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
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Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
Compare Claude Code to QUCS or opencode:

A Cross Platform and Open Source Electronics Design Automation Suite
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The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
Compare Cursor to QUCS or opencode:

Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
Compare Fritzing to QUCS or opencode:

Google Antigravity - Build the new way
Compare Google Antigravity to QUCS or opencode: