CircuitJS
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
0warn against
Feb 24, 2026first mention
Aug 17, 2026latest mention
Why people recommend it
“I use it rather often in professional projects”
professional electronics projectson “Falstad Math and Physics Simulations”
“I use there circuit.js for teaching. A realy usefull tool”
Show 2 more
“a very useful circuit simulator which I regularly use for prototyping”
“Circuitjs https://www.falstad.com/circuit/circuitjs.html allows you to edit components live unlike spice simulators”
Caveats and dissent
No one in these comments warned against it.
Who recommends it in their own words
Threads where it came up
- Falstad Math and Physics Simulations 3 mentions
- Diode – Build, program, and simulate hardware 1 mention
Data: circuitjs.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 4
“I use it rather often in professional projects”
“I use there circuit.js for teaching. A realy usefull tool”
“a very useful circuit simulator which I regularly use for prototyping”
“Circuitjs https://www.falstad.com/circuit/circuitjs.html allows you to edit components live unlike spice simulators”