Refined Twitter - A browser extension that improves the Twitter experience
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Pillow for iOS - An iOS companion that helps you sleep better 💤
iMocha - Make intelligent talent decisions.
Do You Even List? - Auto updating Twitter list of people you interact with most
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.