A list of Free Software network services and web applications which can be hosted on your own servers

The one-page guide to Vim: usage, examples, links, snippets, and more.

Exploring vim's builtin easy mode

The New Leaf Journal’s short introduction to and history of RSS and related feed specifications such as Atom feeds and JSON feeds.

An alternative to the official manual.

A community-curated collection of web services that work without JavaScript.