WriteXO - A cloud based notepad made for writers by writers.
TakeNote - A web-based note-taking app with GitHub sync and Markdown support.
notepad.pw - notepad.pw is a online notepad which allows you to save your text in the cloud with features like
PlicPad - Shareable notepad without urls
MyTextArea - The world's simplest online text editor.
NoteAway - NoteAway is the simplest, most convenient way to take quick notes on OS X.