# Useful Links

> For the complete documentation index, see [llms.txt](https://plugins.jetbrains.com/docs/intellij/llms.txt).

The following links represent useful resources for working with the IntelliJ Platform and creating plugins.

## Tooling

> **Note:**
> Use [Writerside](https://plugins.jetbrains.com/plugin/20158-writerside) to create and publish documentation for a plugin.

* [IDE Settings, Caches, Logs, and Plugins](https://intellij-support.jetbrains.com/hc/en-us/articles/206544519-Directories-used-by-the-IDE-to-store-settings-caches-plugins-and-logs)

* [Internal Actions Menu](internal-actions-intro.html)

* [IntelliJ Plugin Verifier](https://github.com/JetBrains/intellij-plugin-verifier) (see also [Verifying Plugin Compatibility](verifying-plugin-compatibility.html))

* [IntelliJ Platform Explorer](https://jb.gg/ipe) ([Blog post](https://blog.jetbrains.com/platform/2020/12/intellij-platform-explorer-get-to-the-extension-point/))

* [Figma UI Kit](ui-kit.html) ([Blog post](https://blog.jetbrains.com/idea/2021/05/intellij-platform-ui-kit/))

## Plugins

* [Plugin DevKit](https://plugins.jetbrains.com/plugin/22851-plugin-devkit)

* [PsiViewer](https://plugins.jetbrains.com/plugin/227-psiviewer)

* [Grammar-Kit](https://plugins.jetbrains.com/plugin/6606-grammar-kit) & [Grammar-Kit Folder](https://plugins.jetbrains.com/plugin/12983-grammar-kit-folder)

* [Index Viewer](https://plugins.jetbrains.com/plugin/13029-index-viewer/)

* [IDE Perf](https://plugins.jetbrains.com/plugin/15104-ide-perf)

* [Thread Access Info](https://plugins.jetbrains.com/plugin/16815-thread-access-info)

## Repositories

* [IntelliJ Platform SDK Documentation](https://github.com/JetBrains/intellij-sdk-docs) & [IntelliJ Platform SDK Code Samples](https://github.com/JetBrains/intellij-sdk-code-samples)

* [IntelliJ Platform](https://github.com/JetBrains/intellij-community/tree/idea/263.7307.200/README.md)

* [IntelliJ Plugins](https://github.com/JetBrains/intellij-plugins)

* [Open Source Plugins on JetBrains Marketplace](https://plugins.jetbrains.com/search?orderBy=name&shouldHaveSource=true)