Snippely - Snippely is a basic text and code organizational tool.
Zeal - Zeal is an API Documentation Browser.
DevDocs - Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more
SnippetsLab - SnippetsLab is an easy-to-use snippets manager.
Quiver - Quiver is a notebook built for programmers.
Velocity - Velocity gives your Windows desktop offline access to over 150 API documentation sets provided by...