Alternatives to Microsoft
Microsoft Boycott - with alternatives to Microsoft operating systems and programs.
Open CD
Open Office and this introductory article about it

Anonymizers (Anonymous Proxy), Privacy Issues, Passwords etc.

Anonymization.net
BugMeNot
The Cloak
Guardster.com
Jap - Anonymity and Privacy
Privacy.net
Tor - "An anonymous Internet communication system"

Blog Related

Blogger
Blog Search Engine - search or browse by subject  
BLOGS – RSS – WIKIS - excellent resources, including links to authoring/publishing software
FotoPages
MoTime
SquareSpace
tBlog
Reviews of Blog Platforms 
and see this article at ComputerActiv

Computer and Internet Terminology

FOLDOC - Free Online Dictionary of Computing
NetLingo is an online dictionary about the Internet.
Tech Encyclopedia provides than 20,000 Information Technology Terms.
Techionary

Firefox

An Introduction to Firefox
Dive into Greasemonkey
Firefox Beyond the Box
Firefox Configuration Tips
Firefox Gripes
Firefox Tweak Guide
Getting the Most Out of Firefox
Mozilla.org, and see esp. their Firefox Tips and Tricks
Mozillazine
PCMag's top 15 Firefox Extensions
Redemption in a Blog
Secrets of Firefox
Switch2Firefox.com
Wikipedia Article

General Resources

Annoyances.org
Belarc Advisor - "builds a detailed profile of your installed software and hardware, including Microsoft Hotfixes, and displays the results in your Web browser." 
Bookmark Managers, e.g. Furl, Spurl, etc.
Computer Hope - "Free Computer Help for Everyone"
Computer Professionals for Social Responsibility - "Public-interest alliance of computer scientists and others concerned about the impact of computer technology on society."
Computer Tutorials
Computer World
Computing.net - "Tech Support for Business and You"
CyberWalker.net
Everything Computers Troubleshooting Guide
Free File Storage
Gizmo Richard's Tech Support Alert
Howard Rheingold
Info HQ - numerous interesting and useful articles offering "clear, unbiased, information on buying and using computers."
Internet.com
Internet4Classrooms - how-tos for Windows users.
Kevin's Computer Stuff
Microsoft Knowledge Base
Salon.com Technology 
Sandy's Classroom from Compukiss
Tech Support Guy
Tech Tips
T.H.E. Journal - Technical Horizons in Education is a full-text online journal focusing on computers, technologies and applications that improve teaching and learning. Provides full-text, browsable archives for 1994-1996.
Windows Central.com

Hardware, Software and Downloads

46 Best-ever Freeware Utilities
Cnet Hardware Reviews
Computer Shopper
Download.com
File Hippo - download freeware, shareware, etc.
Kitchen Table Computers - "dedicated to the thousands of ordinary people every year who decide to build their own PC's."
Toms Hardware Guide
ZDNet Reviews of hardware and software.

Internet Searching

Bare Bones 101: A Basic Tutorial on Searching the Web
Choose the Best Search for Your Information Need
Evaluating the Quality of Information on the Internet
Finding Information on the Internet: A Tutorial - from UC Berkeley 
Productivity Portfolio - assorted tips and tricks for Windows users
Search Engine Showdown
Search Engine Watch
World Wide Web Reseach Tools

Image Searches

Finding Images Online - from Berinstein Research
Finding Images on the Web - from Boston University
New York Public Library Picture Collection Online
PicSearch is an image search engine which is simple, powerful and family-friendly.
Ditto.com: "See the Web."
Google Image Search
The Amazing Picture Machine

Tutorials

CBT Cafe - Computer Based Training Cafe offers free tutorials for web and graphic design in various formats covering the most popular web design and graphics software programs. including Dreamweaver of course.
Dreamweaver MX tutorial, Macromedia's Support Center, another tutorial from Wellesley College, another from the Univ. of Wisconsin, one more, and a last one.
Google Tutor, and see especially their Web Search Manual

Web Directories

Academic Information links to college and research level Internet resources, and includes current news links.
CompletePlanet allows you to search or browse databases. Results indicate relevance, newness, popularity, and provide links. CompletePlanet focuses on the "deep web" and provides a study on its importance and contents.  You can limit your search to these deep web sites, or to only new sites, top sites, tutorials or other resources.
Digital Librarian
DMOZ Open Directory
Hennepin County Public Library's Fugitive Fact File
ibiblio -  "The Public's Library and Digital Archive."
Infomine is a scholarly Internet resource collection. 
Internet Library for Librarians is "A Portal Designed for Librarians to Locate Internet Resources Related to Their Profession."
IPL Reference Center
Librarians Index to the Internet is a searchable, annotated subject directory of more than 9,000 Internet resources selected and evaluated by librarians for their usefulness to users of public libraries. 
Library Spot
Maps of the Web is a directory which visually arranges concepts and the relationships between them, and visually suggests the quantity of web information available for each
RefDesk.com
Scirus is a special directory, a search engine whose database contains only scientific information. The Web sites included are research resources. Journal article citations are given, but not full text.
Yahoo  One of the oldest and best of Internet directories, with a search engine. 

Web Development

Animation Library.com
Arachnophilia - free web authoring software
Barry's Clipart
Draac.com - A Complete Guide to HTML
EvrSoft 1st Page 2000 - free web authoring software
Gif Animations.com
Gifs.net
Harry the Cat Images
HTML Goodies
HTML Help - from the Web Design Group. The best site I've seen on this topic.
Irfanview - maximizes images for the web
Killer Sites.com - Web Design Articles, Tips And Tutorial
Rainbow Arch - Web Tools and Script Library
Ricocheting.com JavaScript Generator
Scrub The Web: A top rated search engine. Free on-line Web page diagnosis and free on-line Meta Tag Analyzer.
Simple Guide to HTML
Site Navigation.net
Sizzling HTML
SmartWebby, web site design
Spinwave JPEG and GIF cruncher - for optimizing image size
Tips and Tricks.com - "Tips, Tricks, How-to and Beyond"
Web Builder's Toolkit
WebDan Online - web page design ideas and resources from ThinkQuest
Web Developer's Virtual Library
Web Monkey, "the web developer's resource."
Web Page Design for Designers
Web Reference "is about the Web and webmastery...from browsing to authoring, HTML to advanced site design...."
Writing for the Web: A Primer for Librarians

Web Resources by Dewey Decimal Classification 

Bubl Link
CyberDewey
Dewey Browse
Morton Grove Public Library's Webrary , a very good selection of links arranged by Dewey.
Virtual Library of Useful URLs Arranged by Dewey Decimal Classification
Virtual Reference from the Public Libraries of British Columbia.