- Completely free and open source (MIT Expat license)
- Powered by Ruby on Rails
## Editions
There are two editions of GitLab.
GitLab [Community Edition](https://about.gitlab.com/features/)(CE) is available without any costs under an MIT license.
GitLab Enterprise Edition (EE) includes [extra features](https://about.gitlab.com/features/#compare) that are most useful for organizations with more than 100 users.
To get access to the EE and support please [become a subscriber](https://about.gitlab.com/pricing/).
## Canonical source
- The source of GitLab Community Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-ce/) and there are mirrors to make [contributing](CONTRIBUTING.md) as easy as possible.