Starlight

The main reason I choose it is its cross-framework rendering capability. I can use React, Vue, Svelte components in the docs.

Documentation theme for Astro: https://starlight.astro.build/

Make your docs shine with Starlight

Everything you need to build a stellar documentation website. Fast, accessible, and easy-to-use.

A diagram plugin for astro: https://astro-d2.vercel.app/