HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Goat Attack - Text bomb your enemies with goats

iMocha - Make intelligent talent decisions.

Twilio - Brings voice and messaging to your web and mobile applications.

Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Rex - Rex is a real estate software platform.