Clearbit for Slack - Send all signups directly to a Slack channel
PartyWith - Connecting people who love to party - anytime, anywhere.
Party On Demand - Have a party delivered to your door in 60 mins or less.
Party Play - Introducing Party Play. One playlist for multiple users.
Rally by Eventbrite - Find the best local events and rally your friends to join
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack