KiCad is an open-source software tool for designing electronic schematic diagrams and printed circuit boards.
Best Falstad Circuit Simulator Alternatives ranked by AI · updated Aug 2026
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
Ngspice is an open-source mixed-level/mixed-signal electronic circuit simulator.
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
6
Electronics Assistant
Electronics 2000
Electronics Assistant is a Windows utility for electronics calculations, including resistor values, Ohm’s law, reactance, and component conversions. It is aimed at...
Pros
- Covers many common electronics calculations in one lightweight application
- Useful offline for hobbyists and students
- Simpler and faster for basic calculations than full circuit-design software
Cons
- Windows-focused and less portable than web or mobile alternatives
- Lacks interactive circuit simulation
- Interface is dated compared with newer electronics tools
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