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Logisim-evolution vs CircuitSim: catalog facts
Logisim-evolution	CircuitSim
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the Apache 2.0 licence.
Linux	Linux
Visual circuit design with live simulation Widely used for teaching digital logic	Simulation updates live while you edit the circuit Covers both analog values and basic logic gates
Aimed at digital logic, not analog circuits or PCB layout	Small project with few contributors Only basic digital logic support
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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