Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

PDF Reader in JavaScript

A Markdown parser for javascript

A Chrome extension helping users access their web services while traveling outside mainland China

Annotation tools for the web. Select text, images, or (nearly) anything else, and add your notes.

wasavi is an extension for Chrome, Firefox, and Opera. wasavi changes a textarea element to virtual vi editor which supports almost all the vi/ex commands.

Markdown to HTML converter and editor (hg-git clone)