Heroku CI - Continuous Integration from Heroku
Slack Overflow - A programmer's best friend, now in Slack.
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
GitCommands - An interactive reference tool for Git commands
Tosin - Initialize a npm package with CI, documentation and more
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack