We3 - AI that finds you the most compatible people nearby
Flinkit! - Web-hosted team building games for small and large companies
PenPal World - Connect with people all over the world
Social Games in Slack - Polly brings your WFH team together with interactive games
Polyglot Club - Polyglot Club is a new social network for language learners.
Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat