# Developer guide

## Contributor guides

-   [Prerequisites](developer-guide/prerequisites.md): Prerequisites to contributing.
-   [Rules](developer-guide/rules.md): Working on the built-in rules.

## Ecosystem guides

-   [Plugins](developer-guide/plugins.md): Writing your own plugins.
-   [Processors](developer-guide/processors.md): Writing your own processors.
-   [Formatters](developer-guide/formatters.md): Writing your own formatters.
-   [Rule testers](developer-guide/rule-testers.md): Using and writing rule testers.

## Core team guides

-   [Releases](developer-guide/releases.md): Performing releases.
-   [Pull requests](developer-guide/pull-requests.md): Reviewing pull requests.
-   [Issues](developer-guide/issues.md): Managing issues.