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.
Slinky - Your slack links — organized!
Top Daily Hunts in Slack - A simple, fast way to browse news within Slack
Lurchr - Saves all your Slack links, so you can focus on work
Confluence - Confluence is content collaboration software that changes how modern teams work