Viable Fit - Measure and improve your product market fit
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Product Fit - Measure product/market fit in app with your users.
iMocha - Make intelligent talent decisions.
Product/Market Fit Survey - Check how close your product is to Product/Market fit
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.