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