Related Products
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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.
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About
Build hardware more efficiently with real-time collaboration, an easy-to-use simulator, and forkable community content. Leverage collective intelligence through modern sharing, permissions, and an easy-to-use version control system. We believe in the power of open-source. Get started quickly with an ever-expanding library of parts and schematics created by the Flux community. Finally, a programmable simulator that doesn’t require a PHD to use. Check your schematic before you build, all from the browser. Whether you're building a simple circuit board or designing hardware for the next Mars mission, Flux is where great hardware projects are born. Flux is a browser-based end-to-end electronic design tool that breaks down barriers. Flux is making something new, and we’re doing in a new way. It’s called building in the open. Join our community of engineers, makers, and entrepreneurs who are passionate about improving hardware design tools.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Engineering students, professors and teachers, makers and hobbyists, and practicing engineers
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Audience
Professionals wanting to build hardware more efficiently with real-time collaboration and an easy to use simulator
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$2.99
Free Version
Free Trial
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Pricing
$7 per user per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCircuitSim
Founded: 2025
United States
circuitsim.com
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Company InformationFlux
Founded: 2020
United States
www.flux.ai/p
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Categories |
Categories |
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Integrations
1Sol
1forAll.ai
D2iQ
HeyVid.ai
NanoGPT
Pixo
Plotaverse
PolyNetwork
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YesTool.ai
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Integrations
1Sol
1forAll.ai
D2iQ
HeyVid.ai
NanoGPT
Pixo
Plotaverse
PolyNetwork
SoloPool.org
YesTool.ai
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