# Documentation

- [builtins](/builtins) - docs for modules built into the language—`Str`, `Num`, etc.
- [basic-webserver](https://roc-lang.github.io/basic-webserver/) - a platform for making Web servers ([source code](https://github.com/roc-lang/basic-webserver))
- [basic-cli](https://roc-lang.github.io/basic-cli/0.19.0) - a platform for making command-line interfaces ([source code](https://github.com/roc-lang/basic-cli))
- [plans](/plans) - current plans for future changes to the language

In the future, a language reference will be on this page too.

## [Guides](#guides) {#guides}

- [Frequently Asked Questions](https://www.roc-lang.org/faq.html)
- [Tutorial](/tutorial)

## [Language Reference](#language-reference) {#language-reference}

- [Platforms & Applications](/platforms)
- [Abilities](/abilities)