The fundamental software that underpins GitHub is Git itself, written by Linus Torvalds, creator of Linux. The additional software that provides the GitHub user interface was written using Ruby on Rails and Erlang by GitHub, Inc. developers Wanstrath, Hyett, and Preston-Werner.
Read moreWhat is the most popular programming language on GitHub?
JavaScript continues to be the most popular programming language on GitHub, while Python is now the second most popular, followed by Java and the fast-growing TypeScript community.
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