Plato - Share knowledge with your team through simple Q&A

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

SavvyCal - A scheduling tool both the sender and the recipient will love.

iMocha - Make intelligent talent decisions.

Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.

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