Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
QuizBreaker - A fun online quiz game for teams to get to know each other
Standuply - Run daily standup meetings and track your metrics in Slack
Tea Minus - The multi-device office drink round app
MeetNotes - Increase Productivity with Meeting Notes Tool. More effective minutes, Prepare Agenda, Collaborative Notes & Action Items.