Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
HackerRank is described as 'A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges' and is a Code Learning service in the development category. There are more than 50 alternatives to HackerRank, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Linux apps. The best HackerRank alternative is exercism, which is both free and Open Source. Other great sites and apps similar to HackerRank are LeetCode, tutorialspoint, Codewars and CodinGame.
Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.





KillerCoder.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.


Wild Noodle helps companies find the best software programmers, through our language-independent programming assessment that measures programming skills.

The most user-friendly & secured online platform for assessment. Used for Recruitment, Training and Examination. Create your own online exam/test and invite examinees. Awesome reporting, branding, proctoring & customisation options available.



We provide a way to track progress of many different tools developers use and turn it into an achievements and leaderboard based game. It makes work at a software company similar to playing multiplayer game.



SharpSkill helps developers prepare client interviews efficiently. Practice with realistic interview simulators, review concise flashcards, and complete practical technical tests. Built for real-world client interviews (architecture, fundamentals, trade-offs), not FAANG-style...




RedyHire is a next-generation AI-driven hiring platform that goes beyond resumes by combining machine learning, on-job skill assessments, AI-driven interviews, and advanced proctoring to enable faster, fairer, and more accurate hiring decisions.




Practice coding for free with hundreds of real-world problems that strengthen your problem-solving and algorithmic thinking skills. Explore challenges across different topics, learn new techniques, and grow your confidence as a programmer.

Go Interview Practice is a platform with coding challenges designed to help you ace your technical interviews in Go. Solve real-world problems, get instant feedback from automated tests, and even simulate interviews with AI-powered feedback.




People frequently come to us asking for help with technical coding interviews. Many of us solve algorithmic coding puzzles for fun, and we’ve noticed a few things that make the process easier.

AI-powered interview preparation platform with structured learning paths, coding practice, system design, and mock interviews.




Screeps is online strategy game whereas hackerrank is a platform to develop coding skills.