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Starwind UI v3.0 beta is now available! Migration guide

Ship polished UI in Astro, React, or plain HTML with Starwind UI

Use components you can own and style in Astro and React, or bring the same accessible behavior to plain HTML. Starwind handles the hard parts behind forms, overlays, and keyboard navigation.

55 styled components
Components you own
Open Source
Try the v3 beta
npx starwind@beta init

Key Features

Own The Code

Your components live in your project, ready to change as your product grows.

Built For Your Stack

Ready-to-use components for Astro and React, with the same accessible behavior for plain HTML.

Accessible

Keyboard navigation, focus, forms, and overlays work the way people expect.

Open Source

Completely open source and MIT licensed.

What People Are Saying

Just spinning my first premium cosmic theme, Galaxy, and super impressed with the DX. The readme, the scripts and the tours :chefskiss: Super good job.

Geoffrey
Geoffrey
Founder of Montagne Noire Web Studio

Cosmic Themes offers more than stunning templates built on a rock-solid Astro foundation—it fosters a vibrant community. With value-added perks like Discord and GitHub invites, Cosmic Themes is a no-brainer for anyone launching a new Astro project.

Connor D
Connor D
Developer

It's the cleanest template standup experience ever! I've never used Astro, but looking at the demo, code, it should be fairly simple pickup on top of my existing React and NextJS experience.

David G
David G
Web Developer

The theme is ridiculously well put together and documented. I learned a ton about Astro engineering by studying it, and I've already used some of the components for my web design clients. Plus, it shaved hours off my dev time so I could focus on writing SEO articles instead of coding something from scratch.

BowTiedFocus
BowTiedFocus
Freelance Web Developer

I'm not a front-end dev, but I wanted to rebuild my personal site with Astro. If you're in the same shoes, I can't recommend enough Cosmic Themes. The entire process required exactly one CSS change.

Aniket P
Aniket P
Data Scientist

Cosmic Themes provides some of the best Astro themes out there. They are well designed, easy to customize and, most importantly, the team is very responsive concerning support and feature requests. Using their themes allows you to forget about the design and focus on content creation.

Damiano L
Damiano L
C++ Developer

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