Acuity - Acuity is the only virtual bookkeeping solution for entrepreneurs and startups.
Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
Letsfind - Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.
Social Games in Slack - Polly brings your WFH team together with interactive games
Appointlet - Appointlet is an appointment scheduler built on top of Google Calendar.
Flinkit! - Web-hosted team building games for small and large companies