Social Games in Slack - Polly brings your WFH team together with interactive games
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Flinkit! - Web-hosted team building games for small and large companies
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
doopoll - Create live, instant, editable polls effortlessly