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Codewars

Coding katas ranked by kyu, in the language you are learning

Toolora score92Free tier
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Free

HackerRank

Coding challenges and interview practice

Toolora score87Free
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Free practice

SpecCodewarsHackerRank
CategoryEducation & LearningEducation & Learning
PricingFree + PremiumFree practice + paid hiring products
Toolora score92/10087/100
Best forcoding, katas, practice, languagescoding, interview, algorithms, practice
Top features
  • ·Kyu-ranked challenges
  • ·Dozens of languages
  • ·Compare other solutions
  • ·Language tracks and challenges
  • ·Interview prep kits
  • ·Certifications