Project and issue tracking
Service desk and customer support
Manage any business project
Git code management
Team chat, video, file sharing
Answers, support, and inspiration
Feature suggestions and bug reports
Get started guide
If you're new to version control, it's explained for you here.
It's made for Git and Mercurial, with a nod to SVN.
Understand version control quicker and excel as an expert.
Bitbucket, Bitbucket Server, GitHub, and Kiln