Exercism

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Exercism is a career development tool that provides coding exercises and mentorship in over 80 programming languages. It offers a unique blend of learning, practice, and free human mentoring to help users develop fluency.

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At a glance

Pricing

Free

Free tier

Yes

API

Skill level

Technical

About

What is Exercism?

Exercism is a comprehensive platform designed for individuals looking to learn and practice programming in a wide array of languages. It offers over 8,136 coding exercises across 82 programming languages, ranging from Python and JavaScript to more niche options like Futhark and Zig. Users can write code locally using a CLI or directly in the in-browser editor, receiving automated analysis for quick feedback. A standout feature is its free human mentoring, where experienced developers provide personalized guidance, helping users understand language conventions and deepen their knowledge. Exercism is 100% free, community-funded, and aims to make programming education accessible and effective for everyone.

Best used for

Ideal for students, developers, and job seekers who need to learn new programming languages, practice coding skills, and receive personalized feedback. Especially valuable for those seeking free, in-depth human mentoring to deepen their understanding and write idiomatic code.

Common actions

learn programming

practice coding

get coding mentorship

upskill in languages

prepare for interviews

codinglanguagesEducationFeedbackpracticeopen-sourceprogrammingmentor

Capabilities

Key features

82 programming language tracks
8,136+ coding exercises
In-browser code editor
Automated code analysis
Free human mentoring
CLI-first tool

Target Audience

job seekerdeveloperstudent

Integrations

github

Pricing & Plans

Free

FAQs

How many programming languages does Exercism support?

Exercism currently supports 82 programming languages, offering dedicated tracks and exercises for each. This extensive range allows users to learn and practice everything from popular languages like Python and JavaScript to more specialized or emerging ones, catering to diverse learning needs.

Is Exercism truly free, and how is it funded?

Yes, Exercism is 100% free, forever. It operates as an independent, community-funded, not-for-profit organization registered in the UK. Its mission is supported through donations and contributions from its community, ensuring access to quality programming education for everyone.

Can I get help from a human mentor on Exercism?

Absolutely. Exercism provides free human mentoring, allowing users to receive personalized feedback on their code solutions. Mentors help identify knowledge gaps, guide users toward idiomatic code, and offer new perspectives, making the learning process more effective and engaging.

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