Codewars
Achieve code mastery through challenge.
Some of the top features or benefits of Codewars are: Wide Range of Challenges, User Engagement, Multiple Languages, Gamification, and Detailed Solutions. You can visit the info page to learn more.
- Open Source
Best Codewars Alternatives & Competitors in 2025
The best Codewars alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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Practice and level up your development skills and prepare for technical interviews.
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FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.
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Download and solve practice problems in over 30 different languages.
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Treehouse is an award-winning online platform that teaches people how to code.
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Best Courses. Top Institutions. Learn anytime, anywhere.
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Build skills with courses, certificates, and degrees online from world-class universities and companies
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Online Courses - Learn Anything, On Your Schedule
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The professional website platform for Drupal & WordPress sites.
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Pluralsight is a learning management system (LMS) that helps aspiring tech professionals learn the basics of the trade and lets established professionals expand their skill sets.
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Docebo Learning Management System is the best cloud LMS system on the market for online training. AICC SCORM xAPI compliant. Mobile elearning platform
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Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
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Learn to code by helping nonprofits.
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HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.