Dash is an offline API documentation browser and code snippet manager for Mac developers. It searches documentation for more than 200 APIs instantly, without an internet connection.

Key features:

Download and search 200+ offline docsets and 100+ cheat sheets with fuzzy search.
Generate docsets for packages from Swift, Ruby, Python, Go, Rust and other ecosystems.
Build searchable offline docsets from websites or local HTML with the Docset Generator.
Give AI assistants like Claude or ChatGPT current documentation through MCP.
Expand code snippets in any app, with placeholders for clipboard, cursor, date and time.
Look up docs from Xcode, Alfred, Raycast, VS Code, Vim and many other tools.

Dash is available as a download from Kapeli, with a license sold on the same site.