Donut Watercooler - Spark serendipitous conversations that recreate the office watercooler, right in Slack.
Trivia for Slack - Fun team-building with 1000s of quizzes right inside Slack
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Thursday - Thursday is where remote teams do their socials.
Watercoolr - Your always on drop-in virtual coworking space
Flinkit! - Web-hosted team building games for small and large companies