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

The Predictive Index - The Predictive Index offers behavioral and cognitive assessments.

iMocha - Make intelligent talent decisions.

WizeHire - WizeHire is a recruitment management and optimization software solution that helps you to reduce the recruitment cost as well as employee retention by offering you quality and accurate reports after conducting the assessment tests and interviews.

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

HireScore - HireScore is an applicant ranking platform to recruit, assess, and rank candidates using custom, validated tools.