TalScale is described as 'We help companies identify the best developer candidate for a job by testing them on carefully crafted work sample assessments that mirror a situation parallel to that at work, under realistic and standardized conditions'. There are more than 10 alternatives to TalScale for a variety of platforms, including Online / Web-based, Windows, Mac, SaaS and iPhone. The best alternative is Codewars, which is free. Other great apps like TalScale are HackerRank (Free Personal), Codility.com (Paid), Remoteinterview (Freemium) and Geektastic (Paid).
Codility is an evidence-based platform helps hiring teams predict the real-life skills of their candidates, remotely and at scale. This brings faster hiring, time savings, and gives engineers more time to solve problems that matter.
DevSkiller is a developer screening and online interview platform powered by RealLifeTesting™ methodology. The tool allows you to find developers with the right skill set, shortening your Time-to-Hire by 60%.
InterviewBit gamifies the experience of practicing for your interview and includes lots of sample problems. The problems have been categorized into topics and then micro-concepts within topics. Each problems have hints and editorials with them.