Exercism

Free coding exercises with human mentoring in 70+ languages.

About Exercism

In Exercism’s own words: “Learn, practice and get world-class mentoring in over 50 languages. 100% free.”

Exercism is free to use and is open source.

People switching from LeetCode often consider Exercism.

Exercism is an alternative to

LeetCodeSee all LeetCode alternatives

Similar to Exercism

AlgoExpertCurated interview questions with video walkthroughs.
CodeSignalCoding assessments and interview practice.
CodewarsCoding kata ranked by difficulty, solved in many languages.
HackerRankCoding challenges and technical hiring.
NeetCodeStructured coding interview roadmaps with video explanations.

Listed for information; LaunchStall isn’t affiliated with Exercism. The quoted description comes from exercism.org. Features and plans change — check the official site for current details.