Free Proteus Design Suite alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 5 Proteus Design Suite alternatives we track can be used for free (free, open source, or with a free plan). KiCad, EasyEDA and Qucs-S rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	KiCad	Open source	—	Yes	Windows, macOS, Linux	5 of 5	68.8
2	EasyEDA	Free	—	No	Web, Windows, macOS +1	5 of 5	61.8
3	Qucs-S	Open source	—	Yes	Windows, macOS, Linux	5 of 5	59.4
4	Tinkercad	Free	—	No	Web, iOS	0 of 0	39.5

1. KiCadTop pick
Best for: Hobbyists, startups and engineers who want a capable PCB tool with no licence cost
Open sourceWindows, macOS, Linux
68.8
score / 100
Why switch from Proteus Design Suite
Free and open source on Windows, Mac and Linux, with a strong PCB editor, though no microcontroller co-simulation.
Pros
Completely free with no feature limits or seat caps
Runs on Windows, macOS and Linux
Large official libraries and an active community
Projects are local files you fully control
Cons
Fewer advanced high-speed and team collaboration features than Altium
Managing custom libraries takes some learning
No built-in part sourcing like EasyEDA's LCSC link
Visit KiCad Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is KiCad a good Proteus Design Suite alternative?
Verified facts
5 of 5 verified
License
GPL v3
Checked Nov 8, 2026kicad.org(opens source in a new tab)
Platforms
Windows, Linux, macOS
Checked Nov 8, 2026kicad.org(opens source in a new tab)
Simulation
Integrated SPICE
Checked Nov 8, 2026kicad.org(opens source in a new tab)
Manufacturing output
Gerber and IPC-2581
Checked Nov 8, 2026kicad.org(opens source in a new tab)
First released
1992
Checked Nov 8, 2026kicad.org(opens source in a new tab)
2. EasyEDA
Best for: Hobbyists and small teams who design boards and order them from JLCPCB
FreeWeb, Windows, macOS, Linux
61.8
score / 100
Why switch from Proteus Design Suite
Free browser-based schematic and PCB design tied to JLCPCB ordering, with basic simulation.
Pros
Free, including the Pro edition
Runs in a browser with nothing to install
Shows LCSC part stock and sends boards straight to JLCPCB
Imports Altium, Eagle and KiCad designs
Cons
Designs live on the vendor's cloud by default
Workflow steers you toward JLCPCB and LCSC
Less capable than Altium for complex high-speed boards
Visit EasyEDA Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is EasyEDA a good Proteus Design Suite alternative?
Verified facts
5 of 5 verified
Price
Free
Checked Nov 8, 2026easyeda.com(opens source in a new tab)
Web app
Yes, no download needed
Checked Nov 8, 2026easyeda.com(opens source in a new tab)
Linux desktop client
Yes
Checked Nov 8, 2026easyeda.com(opens source in a new tab)
Import
Altium, Eagle, KiCad
Checked Nov 8, 2026easyeda.com(opens source in a new tab)
Team collaboration
Yes
Checked Nov 8, 2026easyeda.com(opens source in a new tab)
3. Qucs-S
Best for: Students and hobbyists who want free SPICE simulation with a point-and-click schematic editor
Open sourceWindows, macOS, Linux
59.4
score / 100
Why switch from Proteus Design Suite
Free open-source circuit simulator with a choice of SPICE engines, for analogue work without PCB layout.
Pros
Works with several free simulation engines from one GUI
Windows installer comes bundled with Ngspice
Packaged for most Linux distributions, including Flatpak
Free and open source with regular releases
Cons
Needs an external simulator backend to do anything
No PCB layout, so board design needs a separate tool
macOS install goes through a Homebrew tap rather than an app download
Visit Qucs-S Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Qucs-S a good Proteus Design Suite alternative?
Verified facts
5 of 5 verified
License
GPL-2.0
Checked Oct 30, 2026github.com(opens source in a new tab)
Simulation engines
Ngspice, Xyce, Qucsator
Checked Nov 8, 2026ra3xdh.github.io(opens source in a new tab)
Windows
Installer bundled with Ngspice
Checked Nov 8, 2026ra3xdh.github.io(opens source in a new tab)
macOS
Via Homebrew
Checked Nov 8, 2026ra3xdh.github.io(opens source in a new tab)
Linux packages
Distro repos, AppImage, Flatpak
Checked Nov 8, 2026ra3xdh.github.io(opens source in a new tab)
4. Tinkercad
Best for: Beginners, kids and teachers making simple models for 3D printing
FreeWeb, iOS
39.5
score / 100
Why switch from Proteus Design Suite
Free browser-based Circuits mode simulates Arduino boards and breadboards, a gentler stand-in for Proteus microcontroller simulation in teaching.
Pros
Free and runs in the browser
Very easy shape-based modeling
Circuits and Codeblocks for teaching electronics and coding
Cons
Too limited for precise or complex designs
Requires an internet connection and Autodesk account
No parametric history or drawings
Visit Tinkercad Details and reviews
How this score is calculated
Editorial fit ×0.338
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1530
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Tinkercad a good Proteus Design Suite alternative?
Verified facts
0 of 0 verified
No sourced facts yet.

Quick comparison

1. KiCadTop pick

Pros

Cons

Verified facts

2. EasyEDA

Pros

Cons

Verified facts

3. Qucs-S

Pros

Cons

Verified facts

4. Tinkercad

Pros

Cons

Verified facts