What are some alternatives?
When comparing cgit and GitLab, you can also consider the following products
Gitweb - Gitweb is a git web interface written in Perl.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Gitea - A painless self-hosted Git service
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
Phabricator - Phacility - Phabricator