Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Slack News Feed - Get the top posts from every Slack chat you're in.
Obie.ai - Access knowledge quicker without leaving Slack
Boomerang Respondable - Write perfect emails with Artificial Intelligence
Lurchr - Saves all your Slack links, so you can focus on work
Top Daily Hunts in Slack - A simple, fast way to browse news within Slack