GitHub is a popular source code hosting site which serves as a collaborative coding platform. The many features of GitHub have greatly facilitated developers' collaboration, communication, and coordination.
Gists are one feature of GitHub, which defines them as "a simple way to share snippets and pastes with others. Gists serve a wide variety of uses, from saving snippets of code, to creating reusable components for web pages.
Here is an exemple of Github Gist embed :