A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
- - HackerRank is the most popular Web-based alternative to DMOJ.
- - HackerRank is the most popular free alternative to DMOJ.
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.Spoj has no features, suggest some!
Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world problems.Topcoder has no features, suggest some!
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.Suggest and vote on features
Codeforces is a website that hosts competitive programming contests.
Codeforces has no features, suggest some!
- - Codeforces is the most popular Self-Hosted alternative to DMOJ.
Take-Home Coding Assignments That Provide Real Insights. Identify great candidates using real tasks, not brainteasers. Streamline your tech recruiting workflow and make better hiring decisions.
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- - CodeSubmit is the most popular SaaS alternative to DMOJ.
- - CodeSubmit is the most popular commercial alternative to DMOJ.