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

Pramp for Product Managers - Practice product management mock interviews with other PMs

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

Speechapp - The simplest way to practice for your next job interview

iMocha - Make intelligent talent decisions.

Xobin - Most Comprehesive Pre-Employment skills testing and Psychometric Assessment Platform.