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Proteus Design Suite vs CircuitMaker: catalog facts
Proteus Design Suite	CircuitMaker
Paid Commercial software sold by Labcenter Electronics.	Free Free to use, including for commercial designs.
Windows	Windows
Simulates microcontroller firmware together with the circuit Schematic capture and PCB layout in one suite	Built on Altium Designer technology Up to 16 signal and 16 plane layers with no board size limit
Commercial licence required Pricing is not listed on the homepage	Only five private projects; others are shared with the community Proprietary, unlike KiCad
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.