We've been using for nearly 10 years in my company, hosting 100+ repositories in it. This is one of the few forges that allow hosting Git, Mercurial, and even SVN repositories within the same web interface. We had a lot of Mercurial repos in the past, but the domination of git for web development made us switch to git. Having all our repos under one software and authentication system is quite nice.

As the administrator I also really appreciate that there is an APT package available, so it is updated with the rest of the OS via unattended-upgrades. They also provide Docker and k8s installations. Except for the v1 to v2 migration 3 or 4 years ago that was a bit chaotic at first, it has been a very solid software.

This is "just" a repository hosting software though. It will not force you to use a specific git flow, there is no PR/MR interface. There are some plugins to enable some workflows, but nothing specific. While not numerous, there are several integrations available, like JIRA or Redmine, even LDAP for authentication.

There are no CI/CD part either. There is a Jenkins plugin though. Or you can also configure webhooks to be called on push events and design your own CI around it.