QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Drip by Kickstarter - A new way to back creators. A Patreon competitor.
Water Cooler Trivia - Weekly office trivia quizzes for you and your co-workers 🎯
Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Tea Minus - The multi-device office drink round app
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues