Multisim
LTspice
QUCS
EasyEDA
Proteus PCB design
KiCad
Pspice
Altium Designer
CircuitSim
CircuitLab
DCACLab
EasyCircuit
LTspice
Circuit Simulator
CircuitVerse.org
Circuit Simulator (CircuitJS1)
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CircuitSim's answer:
CircuitSim earns the choice when the constraint is the browser: students on Chromebooks, online courses, schools where IT will not install desktop software. Within that space, CircuitSim pairs true SPICE simulation with classroom licensing, private student seats that need no login, and an importer for Digilent's Multisim Live files.
CircuitSim's answer:
CircuitSim runs a real SPICE engine entirely in the browser. Simulation results match what desktop SPICE tools produce, with nothing to install. On top of the simulator there is a large searchable component catalog and classroom groups with private student seats: a teacher shares a join link and students work without creating accounts, which keeps classes clear of the student-privacy problems that come with provisioning accounts. CircuitSim also imports designs from Digilent's Multisim Live, which matters right now because Digilent is retiring Multisim Live in September 2026.
CircuitSim's answer:
Educators and students, mostly. The core user teaches circuits somewhere that desktop software is not an option: community college electronics programs, university ECE labs, online courses, and K-12 engineering classes where students are on Chromebooks. Outside the classroom, hobbyists and working engineers use CircuitSim for quick analog and digital simulation without installing anything. A large share of new users right now are instructors moving their courses over from Digilent's Multisim Live before it retires in September 2026.
CircuitSim's answer:
Community college electronics and engineering technology programs University ECE departments running browser-based circuit labs K-12 engineering and CTE courses on Chromebooks Instructors migrating classes from Digilent's Multisim Live ahead of its September 2026 retirement
LTspice - LTspiceยฎ is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
CircuitLab - Sketch, simulate, and share your circuits, entirely in your browser -- no install required.
QUCS - 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.
DCACLab - Electronic circuit simulator for STEM works online, Simulate and troubleshoot broken circuits in a rich simulation environment, easy to learn.
EasyEDA - EasyEDA - Web-based EDA suite; runs in browser.
EasyCircuit - Hardware prototyping, as simple as vibe-coding