Exercism

Learn programming with mentored exercises

Exercism provides free coding exercises in 70+ languages with optional human mentoring. Test-driven approach with a CLI and web editor. Community-driven and nonprofit.

Panel Reviews

The Builder

Developer Perspective

Ship

“Best way to learn a new programming language. The mentor feedback and test-driven approach build real skills.”

The Skeptic

Reality Check

Ship

“Completely free with genuinely helpful mentoring. No catch, no upsell. A rare gem in the education space.”

The Futurist

Big Picture

Ship

“Human mentoring combined with structured exercises is more effective than AI tutors for deep language learning.”