Ngspice is an open-source mixed-level/mixed-signal electronic circuit simulator.
Best Falstad Circuit Simulator Alternatives ranked by AI · updated Aug 2026
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Falstad Circuit Simulator is a free browser-based simulator for exploring analog and digital circuits. Its signature feature is animated current-flow visualization, which helps learners understand circuit behavior without installing software.
Top 6 Falstad Circuit Simulator 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
LogicCircuit is a free digital logic circuit designer and simulator for students, educators, and hobbyists using Windows. It supports gates, flip-flops, memory...
Pros
- Simple interface suited to introductory digital logic
- Supports hierarchical circuit design and reusable subcircuits
- Includes interactive simulation and timing-oriented components
Cons
- Windows-focused compared with browser-based alternatives
- Smaller community and ecosystem than Logisim Evolution
- Less actively developed than several open-source competitors
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
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