Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Slinky - Your slack links — organized!
Linkpack - Save, read and share your links
Obie.ai - Access knowledge quicker without leaving Slack
Pocket - When you find something you want to view later, put it in Pocket.
MovetoSlack - Migrate from MS Teams to Slack in 5 minutes