Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Slinky - Your slack links — organized!
Obie.ai - Access knowledge quicker without leaving Slack
Slack News Feed - Get the top posts from every Slack chat you're in.
MovetoSlack - Migrate from MS Teams to Slack in 5 minutes
#Clicky for Slack - Post links to Slack with a single click