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Zero One 5.6 is out — with Panel-managed popups. See what's new New themes are on the way. View the roadmap
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Kirby CMS themes, since 2020

Start from Zero.

Production-ready Kirby CMS themes, built with usability and performance in mind. Trusted by beginners, marketers & professionals.

Explore Zero One View live demo
Zero One demo homepage
2020Shipping since
Kirby 5And preparing for Kirby 6
40+Content blocks
5Demo sites included
LifetimeLicense
Layout Builder

41 blocks. Endless layouts.

Pick a section layout, drop blocks into columns, nest them in subgrids. Every section gets its own background, SVG divider, animation and per-device visibility.

See it in action
Text (writer) Custom heading Custom list Featured text Typed text Quote Markdown Button Intro Leader Description list Info Accordion Table Code HTML Countdown Breadcrumb
Image Video Audio Simple gallery Fancy gallery Image slider Slideshow Banner
Column options Subgrid Tabs Card Line Space
Content slider Contact form Form Builder Custom navigation Latest articles Latest projects Featured products Products list Products search
The flagship theme

Zero One. Design anything, build everything.

A multi-purpose Kirby theme that gives you a thousand-hour head start. It ships as a plugin, so you override files in your theme folder and keep every update.

Yearly Access79€ / year
Lifetime Access250€ / 1-time fee

License for up to three projects, all demos included.

Buy Zero One

Excellent 5★ from 90+ reviews
Join 700+ customers

01

Layout Builder

Kirby's Layout field, extended with a column block and 40+ content blocks.
02

Theme Styler

Global options for the whole site, page options to override them anywhere.
03

Form Builder

Build contact and lead forms right in the Panel.
04

SEO Audit

Complete SEO control with a built-in audit for every page.
05

Full-feature shop

Snipcart checkout: taxes, shipping, multicurrency and digital products.
06

Built for publishing

A complete journal: categories, tags, optional sidebar and social sharing.
07

Full GDPR support

Consent handling built in, not bolted on.
08

Multilanguage & RTL

Ready for multilingual and right-to-left sites.
09

AI support

An AGENTS.md guide so AI assistants understand your theme.
For developersOverride, extend, ship.
For content editorsBuild pages without code.
For SEO & SEMEvery tag under your control.
Carefully hand-crafted demos

Pre-built websites, in every download.

Customer showcase
The club is growing

Every Zero theme, on one shared core.

New themes run on Zero Core — one plugin with modern CSS variables, plus a small theme plugin on top. Learn one, and you know them all.

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  • Zero Docs Documentation and knowledge-base sites. In design
  • Zero Flex The next-generation successor to Zero One. Planned
  • Zero Shop E-commerce with Merx integration. Planned
  • Zero Magazine Editorial blogs and online magazines. Planned
  • Zero Directory Listings, catalogues and member directories. Planned
  • Niche themes Tourism, law, construction and more. Planned
Built to last

Solid foundations, real humans behind them.

Kirby CMS

File-based, fast and a Panel your clients actually enjoy.

Why Kirby?

UIkit

A lightweight, modular frontend framework. No heavy builds needed.

getuikit.com

Docs & changelog

Step-by-step guides from installation to theme styling, and every release logged.

Read the docs

Human support

Mon–Fri 9–17, Sat 9–15 CET. Answered by the people who wrote the code.

Get support
Need to kickstart your next web project?

Your next Kirby site is one download away.

Get Zero One Live demo