Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Slack Overflow - A programmer's best friend, now in Slack.
Elsewhere 3D - Glasses that turn any video into immersive 3D 😎
GitCommands - An interactive reference tool for Git commands
Gitstalk - Discover what your favorite GitHub users are up to
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack