Dialog Messenger - handy and feature-rich enterprise multi-device messenger available for server or cloud – Slack-like, but not Slack-limited
GitHub Reader - A quick way to browse GitHub issues and pull requests.
Ripcord - A desktop chat client for Discord and Slack
Shrink for Github - A macOS app for your Github issues
Ziggs - Smoothly Share Content Between Devices!
Fire bot - Let your whole team create GitHub issues via email 🔥✉️️