The Ada Information Clearinghouse (AdaIC), sponsored by the Ada Joint Program Office, provides a large amount of current, useful information about the Ada programming language. Information offered includes a quarterly...

Created by Frank B. Brokken of the Computing Center at the University of Groningen, this document is intended for “knowledgeable users of C (or any other language using a C-like grammar, like Perl or Java) who would like...

Created by a professor of computer science at Hobart and William Smith Colleges, this online textbook "is suitable for use in an introductory programming course and for people who are trying to learn programming on their...

Squeak is a programming system that is offered under an open source license, which makes it free to download. The website describes Squeak as "an open, highly-portable Smalltalk-80 implementation whose virtual machine is...

VPython is a 3D programming language developed at Carnegie Mellon University that is useful for presenting visualizations of various physical phenomena. VPython is free and open-source. It includes: the Python...