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.
Kifi for Slack - Get links messaged on Slack in Google Search results
Lurchr - Saves all your Slack links, so you can focus on work
OneBar - AI-powered Q&A knowledge base for Slack teams
Slack It - A bookmarklet to share links in Slack with one click