This page is a complete mess, but it's all here. It includes:
Wiki books & references
Guide(s) for home and small businesses
FreeBSD system programming
Open Group Online Book Store (some are free)
Unix introduction -- KU Leuven
"Here we collect links to several video feeds. I like the idea of education by presentation so feel free to add computer-related links to streams or downloadable movies. I have +5GB of movies, commercials and interviews lying around, so if you are interested please mail to email@example.com. Contributions are welcome too ;)"
"Engelbart's Unfinished Revolution" A Symposium at Stanford University (December 9, 1998). It includes cool snippets from Doug's demo in 1968 but starts with a boring opening speach from Condolisa Rice, the rest is verry interesting.
(The original place for the symposium was here: http://unrev.stanford.edu/)
Snippets from "The Mother of All Demos" by Doug Engelbart:
Historic presentation(s) by Alan Kay
more (not explored) webcast lists:
Not free, (as in gratis) whatever they tell you...
To sort out...