# 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/).
Build plugins to extend the existing functionality in Obsidian using TypeScript.
- [[Build a plugin|Build your first plugin]]
- [[Submit your plugin]]
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.
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!