HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
ShoreTel - Cloud phone system & contact center software & services
AlgoExpert.io - A better way to prep for tech interviews
CorvisaOne - CorvisaOne is another cloud-based communications suite that is specially designed for companies that need features for managing inbound or outbound call centres.
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
8x8 X Series - X Series connects teams across channels and around the globe, giving you access your most critical information securely, from any location.