Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.


The best Online Education alternative to HackerRank is exercism, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to HackerRank and nine of them are Online Education Services so hopefully you can find a suitable replacement. Other interesting Online Education Service alternatives to HackerRank are tutorialspoint, BitDegree, CodinGame and CheckIO.
Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.


Free tutorials and reference manuals with examples for Computer Fundamentals, JSF, C Sharp, Flex, GWT, PL/SQL, Eclipse, JUnit, Pascal, Maven, Scala, Spring, Struts 2, HTML5, ANT, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails...

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.


same solve problem with code






A simple web app filled with CS courses designed to give developers the skills they need to get a high-paying job.




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.




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...




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




Awesome content and games, great way to find jobs, active and nice community