Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
JustNotepad.com - A free online notepad allows you to create any text or notes in your web browser.
Clippr.co - Minimal Note Writing And Pasting Site
TakeNote - A web-based note-taking app with GitHub sync and Markdown support.
Tempaste - Tempaste allows you to create a temporary web page using a fully featured text editor.
NoteAway - NoteAway is the simplest, most convenient way to take quick notes on OS X.