OneBar - AI-powered Q&A knowledge base for Slack teams
Shlack - Whoa, a bash shell inside Slack!
Whatis - Manage & organize your team's knowledge straight from Slack
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
QuickQ - Internal Q&A platform for Slack
PigeonBot - Send emails via Slack with the /email command