Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Flinkit! - Web-hosted team building games for small and large companies
iMocha - Make intelligent talent decisions.
Sorry App - Turn outages into opportunities
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.