HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Voicegram by Sayspring - Record and share conversations with Alexa from the browser
AlgoExpert.io - A better way to prep for tech interviews
Otter - Remember, search, and share your voice conversations
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Chhirp - A mic button for Twitter