OpenStartup.dev - A collection of open startups
Thursday - Thursday is where remote teams do their socials.
Plezi - Plezi offers content marketing management software solution.
Trivia for Slack - Fun team-building with 1000s of quizzes right inside Slack
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Flinkit! - Web-hosted team building games for small and large companies