Halite Programming Challenge Alternatives

A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.

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.

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.

CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics.

Develop your coding skills and practice them by competing with hundreds of players worldwide. Code your own bots in your preferred language and join the various competitions that we offer. Learn, win prizes, but most importantly, have fun coding!

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.

HackerEarth is the most comprehensive developer assessment software that helps companies to accurately measure the skills of developers during the recruiting process.

CodeSignal is 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.

Bomberland is an online 1v1 AI sandbox inspired by the classic console game, Bomberman.

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.