Project Gutenberg is a library of over 60,000 free eBooks. The collection contains mostly classics, which are available in various formats for...
Best O'Reilly Alternatives ranked by AI · updated Aug 2026
O'Reilly is a subscription learning platform for technology, business, and data professionals. It combines technical ebooks with video courses, live events, interactive labs, and assessments.
Top 6 O'Reilly alternatives
Udemy is an online learning platform with a wide range of courses for personal and professional development.
Varies per course
Pluralsight is an online platform that offers a variety of courses and learning paths for software developers, IT professionals, and creatives.
Starting at $29 per month
Cloud Academy is a platform for cloud computing training and certification.
Starting at $33/month
Bookboon is an online library of downloadable ebooks covering business, personal development, and academic subjects. It serves students and professionals who want...
Pros
- Offers focused business and professional-development ebooks
- Includes free titles without requiring a full library subscription
- Short, practical books are useful for workplace learning
Cons
- Smaller and less comprehensive catalog than Perlego or Everand
- Many premium titles require a subscription
- Limited support for interactive textbook features
Free titles; Premium from €9.99/mo
School of Kubernetes is an online learning service focused on Kubernetes administration, development, and operations. It is aimed at developers, DevOps engineers,...
Pros
- Focused specifically on Kubernetes rather than broad cloud training
- Suitable for learners progressing from fundamentals to operational topics
- More specialized than general-purpose course marketplaces
Cons
- Less widely recognized than Linux Foundation certification training
- Limited public information about pricing and course catalog
- Offers fewer adjacent cloud and infrastructure courses than broader platforms
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