GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack
Dialog Messenger - handy and feature-rich enterprise multi-device messenger available for server or cloud – Slack-like, but not Slack-limited
Swyya - Find trending open source projects to contribute to
Ripcord - A desktop chat client for Discord and Slack
Trending Duck - Get data driven trends of top physical/ecom products, weekly
Ziggs - Smoothly Share Content Between Devices!