CodeSignal is described as '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' and is a Code Learning service in the development category. There are more than 50 alternatives to CodeSignal, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Linux apps. The best CodeSignal alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try HackerRank or LeetCode. Other great sites and apps similar to CodeSignal are Codewars, Project Euler, CheckIO and CodinGame.
Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.
Screeps is the most popular Windows, Mac & Linux alternative to CodeSignal.
Sphere Online Judge created for the coders' community to train, to learn and to make progress. With thousands of programming problems and an international group of users Spoj is one of the best programmers' communities and online judges in the world.
Codejudge’s live coding interview platform is a developer & recruiter savvy tool with a provision to frame questions in SQL & system design and 20+ coding languages.
Codejudge Assessment Suite is the best-in-class developer evaluation platform powered with real-world tech assessments. Codejudge enables recruiters to create custom tests on a plethora of skills and tech roles.
Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world problems.
CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.
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.
HackerEarth is the most comprehensive developer assessment software that helps companies to accurately measure the skills of developers during the recruiting process.
Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.
A simple web app filled with CS courses designed to give developers the skills they need to get a high-paying job.
CodeRev is a lightweight tool to help you organize and conduct technical interviews using code reviews rather than leetcode.
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