Lichess
Focus: chess, puzzles and strategy. Shares open source with Exercism. Adds iOS and Android. Rated 4.8 (Exercism: 4.7).
Website
Free coding practice in dozens of languages with optional human mentoring.
Rating
4.7 / 5
Pricing
Free
Difficulty
Intermediate
Works on
Web
Built with love by Shushant Lakhyani. Building bestproductivityresources.com
Exercism is a free, open-source platform for improving your programming skills through small exercises in more than 70 languages. You solve problems in the browser or your own editor, get automated feedback, and can request free code reviews from volunteer mentors.
Programmers who want to learn a new language or sharpen their skills with practice.
Complete beginners who need a structured first course.
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