The Apache Software Foundation provides organizational, legal, and financial support for a broad range of open source software projects. Through a collaborative and meritocratic development process, Apache projects deliver enterprise-grade, freely available software products that attract large communities of users.
"The purpose of the work presented herein is to provide multimedia course material with animations to assist learning some key Computer Science topics on the World Wide Web. The work is presented in eight learning modules: Algorithms, Artificial Intelligence, Data Structures, Machine Architecture, Number Systems, Operating Systems, Programming Languages, and Software Engineering. Each module consists of a set of lessons with animations and interactive components including review questions."
This site provides sample course content and tutorials for Computer Science (CS) students and educators on current computing technologies and paradigms.
Plenty of information but note the footnote on the page: "Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.While using this site, you agree to have read and accepted our terms of use and privacy policy."