> For the complete documentation index, see [llms.txt](https://osl.mistium.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://osl.mistium.com/packages/storage.md).

# Databases & Storage

Packages for persistent data storage and caching.

* [db](/packages/storage/db.md) - Embedded SQLite - SQL plus a document/collection API.
* [save](/packages/storage/save.md) - Simple persistent key-value storage.
* [cache](/packages/storage/cache.md) - In-memory LRU cache with TTLs.
* [env](/packages/storage/env.md) - Environment variables and `.env` files.