Computer niche sites and specialty search engines

Anybody know of good computer niche sites like linuxcare,, javalobby,, zdnet, deja, cnet, etc.?  Please list any specialty search engines too.

Each person who gives unique quality listings while the question is open will get points.  (about 10-50 points per accepted listing).
Who is Participating?
mpassConnect With a Mentor Commented:
I'm not sure if this is what you are lookin for, but try these sites.

Daily Linux information

Great resource site for all things unix related.

Go here and select personal bookshelf at the bottom of the page. After you create free account, you have access to hundreds of computer related books online.

For daily updated linux software. Also carries linux distribution iso's.

Web Site that lists all known Linux ports.
MastadonAuthor Commented:
All Courses

From novice to tech pro — start learning today.