
Scrimba
Codédex
GoIT LMS
Codelita
Data Protocol
codedamn
JavaScript.com
Programming exercises for experienced engineers.
2048
Duck Hunt JS
Zelda 30 Year Tribute
Flappy Bird (HTML5)
Blocks
Floppy Bird
Wolfenstein 3D HTML5
The original Lemmings in your browser

Which is more popular?
Based on our record, CodeCrafters seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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JSL
JSLems
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| Website | codecrafters.io | bombsite.org |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.

No features have been listed yet.
Possible disadvantages
Walkthroughs and reviews on video.
Learn to Build Real Software With CodeCrafters
More videos
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using CodeCrafters and JSLems. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Sometime ago, I decided to embark on a new endeavor, I was curious about how shell works, and came across the the codecrafters.io build your own shell challenge, and thought this is a good opportunity for me to learn shell, as well as... - Source: dev.to / 13 days ago
Submitting with git push also exists at CodeCrafters, for code you write from scratch. - Source: dev.to / 23 days ago
I had a lot of with Code Crafters. It's a paid platform, but they give you a basic walk through of different technologies, with full test suites. For example, you implement some basic Redis. It doesn't spoon feed you what to do, but... - Source: Hacker News / 10 months ago
Tracking JSLems since Aug 2026.
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Empowering emerging markets with high-quality tech education
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The Legend of Zelda made with voxels
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