The Product Management guide - A book on how to create and ship products that people love
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Product School - The global leader in product management training
iMocha - Make intelligent talent decisions.
Product Management Exercises - A repository of product manager job interview exercises
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.