Oat
Oat is a free, open-source UI component library built with HTML. Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. It has 5,525 GitHub stars and is released under the MIT license. A live demo is linked from this page.
Get started
Copy the files into a new folder with degit (no git history), or clone the repository with git.
npx degit knadh/oat my-ui
cd my-uigit clone --depth 1 https://github.com/knadh/oat.git my-uiSources: GitHub docs on template repositories, degit.
About Oat
Semantic, minimal, zero dependencies. ~10KB CSS and JS. Oat is an ultra-lightweight HTML + CSS, semantic UI component library with zero dependencies. No framework, build, or dev complexity. Just include the tiny CSS and JS files and you are good to go building decent looking web applications with most commonly needed components and elements.
Built with
- HTML
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What is Oat?
Oat is a free, open-source UI component library built with HTML. Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. It has 5,525 GitHub stars and is released under the MIT license. A live demo is linked from this page.
How do I use Oat?
Copy the files into a new folder with npx degit knadh/oat my-ui (no git history), or fork the repository on GitHub. Then follow the README for the install and dev commands.
Can I use Oat for commercial projects?
Yes. Oat is released under the MIT license, a permissive license that allows commercial use as long as you keep the copyright and license notice. Third-party assets bundled with it (images, fonts, icons) may have their own terms.
Is Oat maintained?
The repository's most recent commit was on Oct 5, 2026. Its latest release is v0.8.1. appsgit only lists templates from repositories with a commit in the last six months.