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98.css VS CircuitSim

Compare 98.css VS CircuitSim and see what are their differences

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98.css logo 98.css

A design system for building faithful recreations of old UIs

CircuitSim logo CircuitSim

Design and simulate electronic circuits in your browser. Full SPICE engine, 3,000+ components, schematic editor, and waveform charts. Free to get started.
  • 98.css Landing page
    Landing page //
    2020-04-22
  • CircuitSim Circuit Editor
    Circuit Editor //
    2026-08-11

98.css features and specs

  • Nostalgic Appeal
    98.css provides a nostalgic Windows 98 aesthetic, appealing to users who have an affinity for retro computing and creating a unique visual experience.
  • Lightweight
    The framework is lightweight, making it easy to integrate without significantly increasing page load times.
  • Minimalist Design
    It offers a minimalist and straightforward design, which can be beneficial for projects that require simplicity and less visual clutter.
  • Easy Customization
    While it adheres to a specific retro theme, the CSS can be customized to suit the needs of the developer, allowing for flexible design applications.

Possible disadvantages of 98.css

  • Limited Modern Features
    98.css focuses on replicating the Windows 98 look and feel, which means it lacks support for more modern web design trends and features.
  • Niche Audience
    The retro aesthetic may not appeal to all users and could be inappropriate for certain professional or modern applications.
  • Style Constraints
    The framework’s dedication to the Windows 98 aesthetic can limit creativity, making it difficult to diverge from the retro style if project requirements change.
  • Potential Compatibility Issues
    While lightweight, integrating 98.css with other modern frameworks or libraries may cause compatibility issues or require additional workarounds.

CircuitSim features and specs

  • 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.

Category Popularity

0-100% (relative to 98.css and CircuitSim)

98.css

CircuitSim

Design Tools
100 100%
Design Tools
0% 0
Circuit Simulators
0 0%
Circuit Simulators
100% 100
Developer Tools
100 100%
Developer Tools
0% 0
Circuit Design
0 0%
Circuit Design
100% 100

Questions & Answers

As answered by people managing 98.css and CircuitSim.

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

Share your experience with using 98.css and CircuitSim. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, 98.css seems to be more popular. It has been mentiond 21 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

98.css mentions (21)

  • llama.cpp
    Wow it’s aggressively vibe coded. Nothing inherently wrong with that, but it looks a bit amateurish which is funny. I’m still waiting on 98.css to become the standard for vibe coded sites. You don’t have to read docs anyway if you’re just using LLMs! All you have to do is say “use 98.css” and you have a 10/10 site https://jdan.github.io/98.css/. - Source: Hacker News / 26 days ago
  • Slightly reducing the sloppiness of AI generated front end
    There's an entire lightweight CSS lib around the Win9x look as well: https://jdan.github.io/98.css/. - Source: Hacker News / 3 months ago
  • Claude Design by Anthropic Labs
    Nothing screams old school more than 98.css https://jdan.github.io/98.css/. - Source: Hacker News / 5 months ago
  • Celebrate 50 years of Microsoft with the company's original source code
    I had never heard of this but it's description for it's git is what I hope and dream for anytime I go look at a project related to or having a GUI. Reference at https://jdan.github.io/98.css/. - Source: Hacker News / over 1 year ago
  • Recreating History: Building a Windows 98 Disk Defrag Simulator with Modern Web Tech
    TailwindCSS: To style the app, along with 98.css for bringing in the Windows 98 aesthetic. - Source: dev.to / about 2 years ago
View more

CircuitSim mentions (0)

We have not tracked any mentions of CircuitSim yet. Tracking of CircuitSim recommendations started around Aug 2026.

What are some alternatives?

When comparing 98.css and CircuitSim, you can also consider the following products

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

Multisim - Multisim is industry standard SPICE simulation and circuit design software for analog, digital, and power electronics in education and research.

Windows95 - Windows 95 in Electron. Runs on macOS, Linux, and Windows.

CircuitLab - Sketch, simulate, and share your circuits, entirely in your browser -- no install required.

Virtual Windows 98 - Use Windows 98 in your browser

DCACLab - Electronic circuit simulator for STEM works online, Simulate and troubleshoot broken circuits in a rich simulation environment, easy to learn.

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