# Obsidian Developer Docs Welcome to the official Obsidian Developer Documentation, where you can learn how to build plugins and themes for [Obsidian](https://obsidian.md/). For tips on how to use Obsidian, visit [the official Help site](https://help.obsidian.md/). ## Plugins Build plugins to extend the existing functionality in Obsidian using TypeScript. - [[Build a plugin|Build your first plugin]] - [[Submit your plugin]] ## Themes Design beautiful themes and snippets for Obsidian using CSS. - [[Build a theme|Build your first theme]] - [[Submit your theme]] - [[CSS variables]] ## Join the developer community If you get stuck, or if you're looking for feedback, [join the community](https://obsidian.md/community). - `#plugin-dev` and `#theme-dev` channels on Discord. - [Developers & API](https://forum.obsidian.md/c/developers-api/14) and [Share & showcase](https://forum.obsidian.md/c/share-showcase/9) on the forum. ## Contributing If you see any errors or room for improvement on this site, feel free to open an issue or pull request on [our GitHub repository](https://github.com/obsidianmd/obsidian-developer-docs). Thank you in advance for contributing!