Slack Overflow - A programmer's best friend, now in Slack.
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
GitCommands - An interactive reference tool for Git commands
Mercurial SCM - Mercurial is a free, distributed source control management tool.
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.