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 LeetCode, which is free. Other great sites and apps similar to CodeSignal are HackerRank, Project Euler, BitDegree and Codewars.
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.
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
Interactive platform for acquiring Web3 skills via Missions—micro-tasks covering crypto topics—rewarding users with tokens, NFTs, and merchandise from crypto brands. Earn Bits to boost winning odds, create Missions, join Guilds, and benefit from referrals.
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics.
When learning to code, most people get stuck on the "bridge" between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases:
Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.
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.
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.
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