SchoolForge.net is described as 'A directory of open education resources and lots of free educational software' and is an website in the Education & Reference category. There are more than 25 alternatives to SchoolForge.net, not only websites but also apps for a variety of platforms, including Linux, Self-Hosted solutions, Mac and Windows. The best alternative is GitHub, which is free. Other great sites and apps similar to SchoolForge.net are GitLab (Freemium, Open Source), Bitbucket (Freemium), SourceForge (Free) and Launchpad (Free, Open Source).
GitHub is a web-based hosting service for projects that use the Git revision control system. It is written in Ruby on Rails by Logical Awesome developers Chris Wanstrath, PJ Hyett, and Tom Preston-Werner.
Code collaboration version control. Offers hosted (freemium) for limited (5) users, and a commercial self-hosted for a subscription. Free licenses are available for qualified open source projects, nonprofits, and classrooms.
GitBucket is the easily installable open-source GitHub clone written with Scala. It provides GitHub like UI and features such as Git repository hosting via HTTP and SSH, repository viewer, issues, wiki and pull request.
The website openDesktop.org is a social networking site with main focus on the open source community. It centers on sharing of user generated contents such as applications and artwork with social components. openDesktop.