Coding and upskilling
Practice, contests and tools for getting better at writing code.
6 tools
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agent-isles
Learn, create, and ship real work with an AI partner
- Free
- No signup
- Your own API key
1 check
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Cruscible
Competitive coding with DSA problems, live contests and AI review
- Free
4 checks
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CSS Battle
Recreate a target image in the shortest CSS you can write
- Free
1 check
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Learn GDScript From Zero
The Free app to learn to code from zero, right in your browser!
- Free
- No signup
1 check
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Open Steps
Free Claude Code skills that turn jargon into plain steps
- Free
- No signup
1 check
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Vibe Code School
Seven interactive courses from first prompt to shipped software
- Free
- No signup
1 check