Obie.ai - Access knowledge quicker without leaving Slack
Slack News Feed - Get the top posts from every Slack chat you're in.
Fastgrep - Find and organize your Slack team's links and files
Slinky - Your slack links — organized!
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Juphy - Manage all your social media conversations, comments, reviews, and support requests in a single, shared inbox. Boost Sales on Social Channels via Messaging.