> For the complete documentation index, see [llms.txt](https://doorkeeper.gitbook.io/guides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doorkeeper.gitbook.io/guides/orms.md).

# ORMs

- [Active Record](https://doorkeeper.gitbook.io/guides/orms/active-record.md)
- [MongoDB](https://doorkeeper.gitbook.io/guides/orms/mongodb.md)
- [Sequel](https://doorkeeper.gitbook.io/guides/orms/sequel.md)
- [Couchbase](https://doorkeeper.gitbook.io/guides/orms/couchbase.md)