AWS's learning platform providing free courses, hands-on learning materials, and foundational training across cloud computing, AWS services, architecture, security, and other cloud topics.

Docker's official documentation explaining containers, images, Dockerfiles, networking, storage, Compose, security, and workflows for building and running containerized applications.

Google's learning platform bringing together courses, hands-on labs, and training covering Google Cloud, artificial intelligence, data, cybersecurity, and other technical subjects.

Microsoft's free learning platform offering structured modules and learning paths covering Azure, cloud computing, software development, data, AI, cybersecurity, and Microsoft technologies.