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

TryHackMe
Hack The Box
VulnHub
PwnTillDawn Online Battlefield
HackThisSite
CodeRed by EC-Council
LetsDefend
Learn all about web hacking through online courses spanning the basics to advanced vulnerabilities

Which is more popular?
Based on our record, PentesterLab seems to be more popular. It has been mentioned 17 times since March 2021.
Website, pricing, platforms and company facts side by side.
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GitDiagram
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| Website | gitdiagram.com | pentesterlab.com |
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What each product offers, as listed by its team.

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THIS IS WHY YOU SHOULD GET A PENTESTERLAB PRO SUBSCRIPTION!
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using GitDiagram and PentesterLab. 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.
Learning Websites: PortSwigger Web Security Academy - Free, comprehensive web security training. I recommend PortSwigger Academy if you are starting out. Bugcrowd University - Free educational resources for bug bounty hunters.... - Source: dev.to / almost 2 years ago
For pentesting, look at the below: - https://portswigger.net/web-security - https://pentesterlab.com/ - https://www.hackthebox.com/. Source: over 3 years ago
These codes can be useful in different situations. A good site to test out different types of attacks and recon is: http://pentesterlab.com (mind it has a premium subscription plan but u can use it free). Source: about 4 years ago
When comparing GitDiagram and PentesterLab, you can also consider the following products.

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Visualize repo structures in tree view.
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An online platform to test and advance your skills in penetration testing and cyber security.
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Optimize Your Open Source Project with Deep Insights
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VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks.
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