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.
GitHub vs Sourcegraph opinions
GitLab is a on-premise or hosted Git repository management tool. It also includes code reviews, issue tracking, wikis, and continuous integration.
SourceForge empowers open source developers to create powerful software and share it with the world. They also feature a business software comparison directory that lists over 50,000 software titles.
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.
Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
Redmine vs Sourcegraph opinions
Sourcegraph has high rates but poor customer service.
The easiest, fastest, and most painless way of setting up a self-hosted Git service. With Go, this can be done with an independent binary distribution across ALL platforms that Go supports, including Linux, Mac OS X, Windows and ARM.
Codeberg is a free Git source code hosting service, with the objective to give the Open-Source code that is running our world a safe and friendly home, and to ensure that free code remains free and secure forever.
Launchpad is a collaboration and Bazaar code hosting platform for (primarily open-source) software projects.
Phabricator is a collection of open source web applications that help software companies build better software.
Effective June 1, 2021: Phabricator is no longer actively maintained.https://admin.phacility.com/phame/post/view/11/phacility_is_winding_down_operations/