Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
CoffeeRun - Let everyone enter their order for coffee runs
Sorry App - Turn outages into opportunities
QuizBreaker - A fun online quiz game for teams to get to know each other
Trivia for Slack - Fun team-building with 1000s of quizzes right inside Slack
Lunch Roulette - Collaboration by grouping coworkers randomly for lunch.