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GitHub is a web-based platform used for software development projects that depend on the Git revision control system. For those who are interested, do note that GitHub offers both paid plans for private repositories and free accounts for open-source projects. The best part is that it includes unlimited private repositories in all plans (free accounts as well). In spite of that, it only allows up to three collaborators per repository for free.
Even so, there’s barely any surprise that it turned into one of the most popular open-source code repository sites of the moment.