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HackEDU vs Play with Kubernetes
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Price
Free
Secure Development Training
Annual estimate10 people, entry price
Free
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Secure Development Training
Overview
Focus
Secure Development Training
Developer Onboarding
Product
Application security training for developers with hands-on exercises across 60+ vulnerabilities.
Docker's free browser-based Kubernetes playground for learning and testing workflows.
Headquarters
New York, New York
San Francisco, California
Company size
11-50 employees
201-500 employees
Founded
2015
2017
Pricing details
Published rate
Free
Free options
Free trial
Free plan
Source updated
Oct 29, 2026
Oct 29, 2026