Best PLECS Alternatives in 2026

Updated October 2026

20 apps from electrical design software ranked against PLECS on the same published basis.

PLECS alternatives compared

#	App	Score	Free plan	From	Runs on
1	MATLAB Grader	6.6	Free plan	Free	Linux, Mac, Web, Windows
2	KiCad	6.5	Free plan	Free	Linux, Mac, self-hosted, Windows
3	ProfiCAD	6.5	Free plan	Free	Android, Mac, Windows
4	LTspice	6.4	Free plan	Free	Linux, Mac, Windows
5	QElectroTech	6.4	Free plan	Free	Linux, Mac, Windows
6	Trimble Viewpoint Vista	5.7	No	—	Android, API, iOS, self-hosted, Web, Windows
7	SOLIDWORKS	5.6	No	$4/mo	Mac, Web, Windows
8	Brightlayer DCIM	5.5	No	—	Linux, self-hosted, Web, Windows
9	DipTrace	5.4	No	—	Linux, Mac, Windows
10	EPLAN Electric P8	5.4	No	—	Windows
11	Zuken E3.series	5.4	No	—	Web, Windows
12	AutoCAD	5.3	No	—	Android, iOS, Mac, Web, Windows
13	LibrePCB	5.3	No	—	Windows, Mac, Linux
14	ngspice	5.3	No	—	Windows, Mac, Linux
15	Siemens Building X	5.3	No	—	Android, API, iOS, Linux, Mac, Web, Windows
16	ETAP	5.2	No	—	Android, API, iOS, Web, Windows
17	KDE Keysmith	5.2	No	—	Linux
18	LabVIEW	5.2	No	—	Windows, Linux, Mac
19	PSCAD	5.2	No	—	Windows
20	QSPICE	5.2	No	—	Windows

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What is the best alternative to PLECS?

MATLAB Grader, number 1 in electrical design software with a score of 6.6 out of 10. The others here: KiCad, ProfiCAD, LTspice and 16 more.

What is the best free alternative to PLECS?

MATLAB Grader is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.