is a digital time capsule. It is not a sleek, modern e-learning platform like Udemy or Coursera. Instead, it is a raw, unfiltered library.
However, if you’re looking for or similar types of resources (hacking, cybersecurity, programming, IT manuals, and tutorials), here are legitimate sources:
The "Downloads" section of elhacker.info is famous for its democratic approach to education. The community focuses on providing to learning materials that might otherwise be hidden behind expensive paywalls.