---
title: Getting Started
description: Welcome to Twenty Developer Documentation, your resources for extending, self-hosting, and contributing to Twenty.
---

import { CardTitle } from "/snippets/card-title.mdx"

<CardGroup cols={3}>
  <Card href="/developers/extend/extend" img="/images/user-guide/integrations/plug.png">
    <CardTitle>Extend</CardTitle>
    Build integrations with APIs, webhooks, and custom apps.
  </Card>

  <Card href="/developers/self-host/self-host" img="/images/user-guide/what-is-twenty/20.png">
    <CardTitle>Self-Host</CardTitle>
    Deploy and manage Twenty on your own infrastructure.
  </Card>

  <Card href="/developers/contribute/contribute" img="/images/user-guide/github/github-header.png">
    <CardTitle>Contribute</CardTitle>
    Join our open-source community and contribute to Twenty.
  </Card>
</CardGroup>