What are some alternatives?
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
Plunker - Plunker is an online community for creating, collaborating on and sharing your web development ideas.
Ghostbin - Ghostbin is an open source paste service.
CodePen - A front end web development playground.
GitHub Gist - Gist is a simple way to share snippets and pastes with others.