Software Alternatives & Startups

CircuitSim VS GitHub Surf

Compare CircuitSim VS GitHub Surf and see what are their differences

CircuitSim

Design and simulate electronic circuits in your browser. Full SPICE engine, 3,000+ components, schematic editor, and waveform charts. Free to get started.

Rating
0 reviews
Pricing
Freemium $2.99 / Monthly (15 Components per circuit)

Open repositories in a VSCode environment in your browser

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Rating
0 reviews
Pricing
Open source
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Circuit Simulators popularity
100% vs 0%
alternatives listed
10 vs 1

Base details

Website, pricing, platforms and company facts side by side.

CircuitSim
GitHub Surf
Website circuitsim.com github.surf
Pricing
Freemium $2.99 / Monthly (15 Components per circuit) Official pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

CircuitSim 5 features
GitHub Surf 4 features
  • Free and accessible
    CircuitSim is a free, browser-based (and downloadable) digital logic circuit simulator, making it easy for students and hobbyists to access without any cost or licensing barriers.
  • Educational focus
    Designed primarily for teaching digital logic design, it provides an intuitive way to build and test circuits, making it popular in academic settings like computer science and engineering courses.
  • Simple, intuitive interface
    The drag-and-drop interface for placing gates, wires, and components is user-friendly, especially for beginners learning digital logic concepts for the first time.
  • Subcircuit support
    Users can create subcircuits and reuse them as components in larger designs, which helps in building more complex systems in a modular and organized way.
  • Open-source project
    CircuitSim is open-source, allowing developers and educators to inspect, modify, or contribute to the tool, and fostering community-driven improvements.
  • User-Friendly Interface
    GitHub Surf provides an intuitive and easy-to-navigate interface that makes it accessible for both beginners and experienced users.
  • Integration with GitHub
    The tool seamlessly integrates with GitHub, allowing users to easily access repositories and track changes efficiently.
  • Real-Time Collaboration
    It supports real-time collaboration features, enabling multiple users to work on the same project simultaneously and see each other's edits instantly.
  • Visual Representation
    Provides a visual representation of project histories and branches, which helps in understanding the development process better.

Possible disadvantages

  • Limited Offline Capabilities
    GitHub Surf requires an internet connection for most functionalities, which limits its usability in offline scenarios.
  • Learning Curve
    Users new to GitHub or similar platforms might experience a learning curve when first using GitHub Surf, owing to its various features and tools.
  • Performance Issues
    Some users may experience performance lags or slower response times when working with large repositories.
  • Privacy Concerns
    As with any online tool, there might be concerns related to data privacy and security, especially when dealing with sensitive project information.

Analysis

An editorial look at what each product does well and who it suits.

CircuitSim
GitHub Surf

No analysis of CircuitSim yet.

Overall verdict

  • GitHub Surf appears to be a niche tool designed to enhance the experience of browsing and exploring GitHub repositories, offering a more visual or streamlined interface than GitHub's native UI. It seems useful for developers who want a faster or more intuitive way to navigate codebases, though as a smaller or newer service, it may lack the robustness, feature completeness, or long-term support of GitHub's official tools.

Why this product is good

  • Provides an alternative, potentially more visual or user-friendly way to browse GitHub repositories
  • May offer quicker navigation or discovery features compared to GitHub's default interface
  • Useful for developers who want to explore codebases without cloning them locally
  • Likely lightweight and focused on a specific browsing use case

Recommended for

  • Developers who frequently browse open-source repositories and want a different visual experience
  • Users looking for quick repository exploration without needing full GitHub account features
  • Casual coders or students exploring codebases for learning purposes
  • Those seeking alternative UI/UX for GitHub navigation as a supplementary tool

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
CircuitSim
GitHub Surf
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing CircuitSim and GitHub Surf.

Why should a person choose your product over its competitors?

CircuitSim's answer

CircuitSim earns the choice when the constraint is the browser: students on Chromebooks, online courses, schools where IT will not install desktop software. Within that space, CircuitSim pairs true SPICE simulation with classroom licensing, private student seats that need no login, and an importer for Digilent's Multisim Live files.

What makes your product unique?

CircuitSim's answer

CircuitSim runs a real SPICE engine entirely in the browser. Simulation results match what desktop SPICE tools produce, with nothing to install. On top of the simulator there is a large searchable component catalog and classroom groups with private student seats: a teacher shares a join link and students work without creating accounts, which keeps classes clear of the student-privacy problems that come with provisioning accounts. CircuitSim also imports designs from Digilent's Multisim Live, which matters right now because Digilent is retiring Multisim Live in September 2026.

How would you describe the primary audience of your product?

CircuitSim's answer

Educators and students, mostly. The core user teaches circuits somewhere that desktop software is not an option: community college electronics programs, university ECE labs, online courses, and K-12 engineering classes where students are on Chromebooks. Outside the classroom, hobbyists and working engineers use CircuitSim for quick analog and digital simulation without installing anything. A large share of new users right now are instructors moving their courses over from Digilent's Multisim Live before it retires in September 2026.

Who are some of the biggest customers of your product?

CircuitSim's answer

Community college electronics and engineering technology programs University ECE departments running browser-based circuit labs K-12 engineering and CTE courses on Chromebooks Instructors migrating classes from Digilent's Multisim Live ahead of its September 2026 retirement

User comments

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Alternatives to CircuitSim and GitHub Surf

When comparing CircuitSim and GitHub Surf, you can also consider the following products.