The Electronic Frontier Foundation.
This group keeps tabs on various information technology issues
concerning individual liberties vs. government and corporate interests.
Somewhat pro-individual liberty slant.
Project Gutenberg.
A project to provide publicly available digital text for
manuscripts in the public domain. Currently about 5000 books,
with heavy emphasis on classics.
If you want text, here it is.
RSA Labs
Research branch of one of the world's premier information
security outfits. Their
FAQ page
has all sorts of interesting information on it.