> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upsun.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Languages

> We sure do support a lot of runtimes.

Upsun supports a wide range of languages and runtimes for building and deploying your applications.

<CardGroup cols={3}>
  <Card title="C#/.NET Core" icon="code" href="/docs/languages/dotnet">
    Deploy .NET applications on Upsun.
  </Card>

  <Card title="Elixir" icon="code" href="/docs/languages/elixir">
    Deploy Elixir applications on Upsun.
  </Card>

  <Card title="Go" icon="code" href="/docs/languages/go">
    Deploy Go applications on Upsun.
  </Card>

  <Card title="Java" icon="coffee" href="/docs/languages/java">
    Deploy Java applications with migration guides and tuning tips.
  </Card>

  <Card title="JavaScript/Node.js" icon="js" href="/docs/languages/nodejs">
    Deploy Node.js applications with debugging and version management.
  </Card>

  <Card title="PHP" icon="php" href="/docs/languages/php">
    Deploy PHP applications with extensions, tuning, and more.
  </Card>

  <Card title="Python" icon="python" href="/docs/languages/python">
    Deploy Python applications with dependency and server configuration.
  </Card>

  <Card title="Ruby" icon="gem" href="/docs/languages/ruby">
    Deploy Ruby applications on Upsun.
  </Card>

  <Card title="Rust" icon="rust" href="/docs/languages/rust">
    Deploy Rust applications on Upsun.
  </Card>
</CardGroup>