Ngspice is an open-source mixed-level/mixed-signal electronic circuit simulator.
Best CircuitLab Alternatives ranked by AI · updated Aug 2026
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CircuitLab is a web-based schematic editor and electronic circuit simulator aimed at students, educators, and engineers. It stands out for combining clean schematic capture with interactive time-domain and frequency-domain analysis.
Top 6 CircuitLab alternatives
CircuitVerse is a free, browser-based digital logic simulator for students, educators, and electronics hobbyists. It supports interactive circuit construction, subcircuits, timing diagrams,...
Pros
- Runs in a browser without desktop installation
- Strong support for digital logic, subcircuits, and timing diagrams
- Includes sharing and collaboration features for classroom use
Cons
- Less suitable for analog circuit simulation than Falstad or EveryCircuit
- Fewer advanced electronics and PCB workflows than CircuitLab
- Large designs can become harder to manage than equivalent Logisim Evolution projects
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$99/month
EasyEDA is a browser-based and desktop EDA tool for hobbyists, makers, students, and small electronics teams. It combines schematic capture, PCB layout,...
Pros
- Faster to start than PCB Artist because projects can run in a browser
- Integrated component sourcing and manufacturing workflows
- Cloud collaboration and sharing are stronger than in PCB Artist
Cons
- Cloud dependence can be undesirable for sensitive designs
- Less independent of a manufacturing ecosystem than KiCad
- Advanced features and local workflows vary between editions
Free; Pro from $19.90/mo
PartSim is a browser-based SPICE circuit simulator for students, hobbyists, and electronics designers. It combines schematic capture, simulation, and component selection without...
Pros
- Runs in a browser without installation
- Combines schematic capture with SPICE simulation
- Provides a straightforward workflow for basic analog circuits
Cons
- Less powerful and configurable than LTspice for advanced simulation
- Smaller component and model ecosystem than major desktop tools
- Requires an internet connection for normal use
LTspice is a free SPICE-based schematic capture and waveform simulation tool for engineers, students, and electronics designers. It stands out for fast...
Pros
- Much deeper SPICE analysis than DCACLab
- Strong performance for switching supplies and analog design
- Supports custom models, behavioral sources, and scripted measurements
Cons
- Desktop installation is less convenient than DCACLab's browser workflow
- Steeper learning curve for beginners and classroom users
- Primarily schematic and waveform based rather than breadboard visual
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