GitHub Gist - Gist is a simple way to share snippets and pastes with others.
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
Ghostbin - Ghostbin is an open source paste service.
JustPaste.it - Want to share text with your friends? Paste it below and give them a link.
JS Bin - Sample of the bin:
Pastelink.net - Anonymously publish text with hyperlinks enabled.