KillerCoder is described as 'io is a testing platform to test developers and improve your technical hiring efficiency. Create an account and invite prospective candidates and test their technical and/or soft skills'. There are more than 25 alternatives to KillerCoder, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux. The best alternative is Codewars, which is free. Other great sites and apps similar to KillerCoder are HackerRank (Free Personal), LeetCode (Freemium), Project Euler (Free) and Coderbyte (Freemium).
LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews.
Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime.
CodeSignal is the leading provider of assessments for technical hires. As the creator of the Predictive Coding Score, a measure of a candidates coding skills, CodeSignal provides HR teams with Certified Assessments, Custom Tests, and Live Interviews.
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.
Pre-employment skills assessment software with 2000+ ready-to-use skills tests to assess multiple candidates. Also great to hire developers. Enterprise-ready assessment platform | 1-Click Seamless Integration with many ATS.