CopyCoding - Machine learning and data science online community
Pastelink.net - Anonymously publish text with hyperlinks enabled.
CodeBottle - MIT-licensed reusable code snippets
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
Betterer - Improve your codebase, incrementally
Pastery - The sweetest pastebin in the world.