GitHub City
GitHubTree
OpenSauced
GitHub Metrics
GitHub Visualizer
Swimm
Codemap
Turn any GitHub repository into an interactive diagram for visualization.

Treehouse
edX
Codecademy
Docebo
Pluralsight
Coursera
Free Code Camp
There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.

Which is more popular?
Based on our record, Hackr.io 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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| Website | gitdiagram.com | hackr.io |
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What each product offers, as listed by its team.

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An editorial look at what each product does well and who it suits.

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Hackr.io - Product Demo | Squareboat
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How often each product is chosen within a category, 0–100% relative to the other.

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

Tracking GitDiagram since Oct 2026.
I am looking to work with 1 or 2 people on a https://hackr.io/ clone. Source: over 3 years ago
I know a better place, Https://hackr.io. Source: almost 4 years ago
Https://hackr.io/ has countless resources. Source: over 4 years ago
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Optimize Your Open Source Project with Deep Insights
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Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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