Overview#GitLab is a web-based Git repository manager with wiki and issue tracking features, using an open source license, developed by GitLab Inc.
The software was written by Dmitriy Zaporozhets and Valery Sizov from Ukraine. The code is written in Ruby. Later, some parts have been rewritten in GoLang. As of December 2016, the company has 150 team members and more than 1400 open source contributors