Reproduced from http://www.labnol.org/internet/github-gist-tutorial/28499/
Github is the popular website among software developers for sharing code. The site hosts over 12 million open-source projects — including games, books and even fonts — making Github the largest code repository on the Internet.
Github offers another useful service called Gist that developers often use to dump their code snippets but Gists aren’t just for geeks and coders — they offer something for everybody. If you have ever heard of web apps like Pastebin or Pastie, Gist are similar but more polished, they are free of advertising and loaded with more features.
Gist – They aren’t just for Geeks!