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