
Scrimba
Codédex
GoIT LMS
Codelita
Data Protocol
codedamn
JavaScript.com
Programming exercises for experienced engineers.

LeetCode
The bug you can't spot today ships tomorrow. Train before the incident: one realistic AI pull request a day, graded against a canonical review. Free, no signup.

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.
|
|
|
|
|---|---|---|
| Website | codecrafters.io | diffdojo.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
Learn to Build Real Software With CodeCrafters
More videos
No DiffDojo videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeCrafters and DiffDojo. 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 / 6 days ago
Submitting with git push also exists at CodeCrafters, for code you write from scratch. - Source: dev.to / 15 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 / 9 months ago
Tracking DiffDojo since Sep 2026.
When comparing CodeCrafters and DiffDojo, you can also consider the following products.

Interactive coding screencasts created in an instant
Compare Scrimba to CodeCrafters or DiffDojo:

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to CodeCrafters or DiffDojo:

Empowering emerging markets with high-quality tech education
Compare GoIT LMS to CodeCrafters or DiffDojo:

