ZeroIndex. A documentation theme for dev teams, clear in light and dark.

ZeroIndex documentation homepage layout
ZeroIndex page preview
ZeroIndex changelog page
ZeroIndex dark mode interface
ZeroIndex team and contributors page
ZeroIndex code block and tabs example
ZeroIndex integrations section
ZeroIndex responsive documentation layout

About ZeroIndex. What it is and how it works.

ZeroIndex is a documentation template built with Astro and Tailwind CSS. Clear layouts with light and dark modes for dev teams.

ZeroIndex: the documentation theme for dev teams

ZeroIndex is a developer-first documentation template made for technical teams who value precision and performance.
With dual light/dark modes, smart AI integrations, and structured layouts, it provides everything you need to publish API references, onboarding guides, or product docs with ease.

Why ZeroIndex

  • Structured pages for docs, changelog, integrations, and team profiles
  • Export code snippets to Markdown for developer workflows
  • Smart external actions: open pages with ChatGPT or Claude
  • Search for fast in-doc discovery (LiveSearch on the EmDash variant)
  • Reusable UI components for tabs, accordions, and code blocks
  • SEO-ready with Astro SEO, Sitemap, and RSS integrations
  • Built-in style guide and ongoing updates for maintainability

Modern color system

Built using OKLCH color values, ensuring perfect balance in contrast and tone across light and dark modes: ready for modern browsers and consistent theming.

Fast. Structured. Developer-first.

A technical documentation foundation built for teams that care about precision.

What customers and supporters say about Lexington Themes.

Read all reviews

“Damn, they actually look super nice!”

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Jonny Burger

Founder of Remotion.dev

“Michael has been dropping some amazing premium themes for Astro lately.”

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Fred Schott

CEO of Astro.build

“Chief, nice work.”

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Guillermo Rauch

vercel.com

“Love the design work”

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Steve Ruiz

Founder at tldraw.com