GitHub is a service that makes hosting your code easy. It lets you make repos(repositories) where you can host, and share your code. Many coding platforms use GitHub integration so you can access your repos on platforms such as are Repl.it, Discord, Heroku, and many others.
History:
It was created in 2008 and already has 40 million users! GitHub was developed by Chris Wanstrath, P. J. Hyett, Tom Preston-Werner and Scott Chacon. It also is located in San Francisco California. In just about one year alone GitHub had over 46,000 repos and a whopping 17,000 of them were made in the previous month. Also now owned by Microsoft.
Fun Facts: