- Codewars - Codewars is a collective effort by its users. They are creators - authoring kata to teach various techniques, solving kata with solutions that enlighten others, and commenting with constructive feedback.
- Ruby Koans - must have
- Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
- Codility lessons
- Practicing Ruby - Delightful lessons for dedicated programmers
- Rubeque - Solving ruby koans and problems from easy to deadly hard
- Ruby Warrior - Learn Ruby through a triumphant quest of adventure, love & destiny
- CodinGame - CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics
- Ruby Quiz - Ruby Quiz is a programming challenge for Ruby programmers in the spirit of the Perl Quiz of the Week
Join GitHub today
GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.Sign up
A list of sites with challenges to improve your programming skills
Fetching latest commit…
Cannot retrieve the latest commit at this time.
|Type||Name||Latest commit message||Commit time|
|Failed to load latest commit information.|