MyPost - A quick, user-friendly single webpage creation platform without having to deal with hosting or...
TakeNote - A web-based note-taking app with GitHub sync and Markdown support.
Jotflow - Jotflow is a markdown based platform for broadcasting your ideas and voicing your opinions.
PlicPad - Shareable notepad without urls
Rentry.co - Markdown pastebin/publishing service with preview, custom urls and editing. Fast, simple and free.
NoteAway - NoteAway is the simplest, most convenient way to take quick notes on OS X.