1. It was developed by Dimitri Zaporozhets with the help of Valery Sizov in 2011.
2. The company is funded by venture capital.
3. It is mainly developed in Ruby, with some components in Golang, and JavaScript is used in the frontend.
4. GitLab Community Edition carries the open source MIT License; GitLab Enterprise edition uses a proprietary one.
5. Open source is one of GitLab's core values. The core product (GitLab CE) is exactly that, and the Enterprise Edition is based on the CE core, but has extra functionality, the development of which is paid for by the proprietary license.
6. Unicorn, Sidekiq, NGINX, Gitaly, database, Redis and GitLab Workhorse.
7. One.
8. Key-value pairs, which have five different datatypes.
9. A shared NFS filesystem.
10. GCP.