GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack
Slack Overflow - A programmer's best friend, now in Slack.
Swyya - Find trending open source projects to contribute to
ask-stack - Get answers from Stack Overflow directly in the Atom editor
Google Workspace - Google's encompassing suite of cloud-based business apps.
Stack Overflow for Teams - Everything you love about Stack Overflow in a private space.