Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
OneBar - AI-powered Q&A knowledge base for Slack teams
Obie.ai - Access knowledge quicker without leaving Slack
Slicki - The Wiki for Slack. Build documentation from conversation.
Linkpack - Save, read and share your links
Pingpad for Slack - For Slack teams to capture knowledge, organize and act on it