What are some alternatives?
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Redmine - Flexible project management web application
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
SourceForge - SourceForge is a web-based source code repository.
Gitea - A painless self-hosted Git service