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About

CircuitSim is a full SPICE circuit simulator with a 3,000+ component library and a modern schematic editor. No install, free to get started. Built for students, educators, and professionals. It runs in a browser tab and needs no admin rights, so it works on Chromebooks and locked-down school laptops. Run seven kinds of analysis: interactive, interactive operating point, transient, AC sweep, DC operating point, DC sweep, and parameter sweep. Results plot on oscilloscope-style charts, with probes you can drop anywhere in the circuit. Define custom parts from SPICE model text or import KiCad symbols. CircuitSim also imports Multisim Live designs ahead of that product's retirement on September 15, 2026. It is the only browser tool that opens .csim, .ms14, and .msjs files, and it rebuilds the schematic with wiring, placement, net labels, probes, and simulation settings intact. Classroom licensing adds seat assignment, anonymous student seats, and private student work.

About

With the schematic editor you can create your design without limit, there are no paywalls to unlock features. An official library for schematic symbols and a built-in schematic symbol editor help you get started quickly with your designs. Make professional PCB layouts with up to 32 copper layers. KiCad now has a push and shove router which is capable of routing differential pairs and interactively tuning trace lengths. KiCad includes a 3D viewer which you can use to inspect your design in an interactive canvas. You can rotate and pan around to inspect details that are difficult to inspect on a 2D view. Multiple rendering options allow you to modify the aesthetic appearance of the board or to hide and show features for easier inspection. KiCad’s schematic capture is efficient, with all the tools you can expect for such a task. The interface focuses on productivity. There are no complexity limits, as large designs can be divided into hierarchical subsheets.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Engineering students, professors and teachers, makers and hobbyists, and practicing engineers

Audience

Enterprises and developers requiring a cross platform and open source electronics design automation suite solution for their data and design needs

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$2.99
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 4.0 / 5
ease 3.0 / 5
features 3.0 / 5
design 3.0 / 5
support 4.0 / 5

Pros & Cons from Real Users

Pros

  • It’s free, and that is by far one of the biggest things it has going for it. It’s also fully customizable, and has a great user base with many user created tutorials. You can create many layered PCB designs with no board size limits which is why I use it over the free version of Eagle.

Cons

  • I have used Eagle, OpenCad, and many other cad softwares for PCB design over the years, and Kicad is a bit clunky. If you don’t have a mouse and are using a track pad on a laptop, it barely functions. The UI, has plenty of glitches, and there are many counterintuitive functions which should be simple as they are in other similar softwares

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

CircuitSim
Founded: 2025
United States
circuitsim.com

Company Information

KiCad EDA
Founded: 2007
United States
www.kicad.org

Alternatives

Alternatives

OrCAD X

OrCAD X

Cadence Design Systems
Allegro X Design Platform

Allegro X Design Platform

Cadence Design Systems
LTspice

LTspice

Analog Devices
DipTrace

DipTrace

Novarm Ltd
TINA-TI

TINA-TI

Texas Instruments
Autodesk EAGLE

Autodesk EAGLE

Autodesk

Categories

Categories

Integrations

Pop!_OS
Quilter
Trace

Integrations

Pop!_OS
Quilter
Trace
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