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CodeCrafters vs Codewars

CodeCrafters: Build your own Redis, Git, SQLite or Kafka from scratch Codewars: Ranked coding challenges with instant test feedback

Comparison of CodeCrafters, Codewars
CodeCrafters
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Codewars
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CategoryPractice PrepPractice Prep
Pricing–Free
Platforms
  • Web
  • Web
Best for
  • Experienced engineers
  • Backend developers
  • Self-taught programmers
  • Developers
  • Students
  • Interview prep
Highlights
  • Challenges to build Redis, Git and SQLite
  • Stages that add one feature at a time
  • Tests run when you push code with git
  • Kata ranked from beginner to expert
  • Test cases check your code in the browser
  • Compare your solution with other solutions after a kata

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  • Web Tools Finder (WTF) is a curated directory built by developers and designers for web developers, designers, vibe coders, and freelancers. It brings useful tools and resources together in one place, helping you save time, discover better resources, and bookmark your favorites for free, without signing up.

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  • Use the Search Directory, or press Ctrl K (Cmd K on a Mac) to search from any page. Each section lists its tools by category, and when tools have pricing details you can filter by price, such as Free, Freemium or Paid. Open a tool to read its description, highlights and details, and save the ones you like.

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  • It shows how many tools were added to that section in the last 7 days. The label disappears once you open the section.

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  • They come from GitHub star counts, which refresh automatically every day. Stars show how popular a project is, not how good it is for your project.

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  • They mark paid or partner placements. Those listings are not recommendations from Web Tools Finder, and they are labelled clearly so you can tell them apart from the rest of the directory.

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  • Use the Feedback button in the menu and choose Something is broken, or write to us from the Contact page. We also check tool links regularly and review the ones that stop working.

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