Motion.ai - Motion is AI based bot builder enabling users to visually build, train and deploy bots to do just about anything.
InviteRobot - Instant subscription for paid Slack communities
Slack Message Buttons - Making messages more interactive with buttons
SlackPass - Subscription access to anything with Slack
Dialogflow - Conversational UX Platform. (ex API.ai)
Magik for Slack - Magik enables founders, marketers & community builders to create the community experience they never knew was possible.