Markdown/LaTeX editable pages
Ajax.org Cloud9 Editor
Base library used by Ace/Skywriter/Cockpit/Cloud9
An incrementally parsed variant of Markdown
A DOM diff/patch designed for cheap live previews.
Clojure bindings and utilities for Neo4j
Browser Wrapper around node-mongodb-native using a node.js server and WebSocket connection
A C# Coverflow / Media Centre clone.
A an extensible block descent parser for markup transformation for PHP.