Academics

Center for Distributed Object Computing
Citeseer
Google Scholar
Mobile Computing Laboratory
Washington University Department of Computer Science and Engineering
WU WSN Research Lab

Programming/Web Reference

The C++ Annotations
C++ FAQ Lite
CSS2 Reference
gotAPI
The GNU C Library
libstdc++ Source Documentation
Java API Specification
Java Virtual Machine Online Instruction Reference Manual
Patterns Almanac
Python Library Reference
The Standard Template Library
XHTML Reference

General Reference

Acronym Finder
Google
Internet Public Library
Online Etymology Dictionary
Urban Legends Reference Pages
Wikipedia

Arts & Literature

AFI Top 100 Films on DVD
The Empire That Was Russia: The Prokudin-Gorskii Photographic Record Recreated
Metacritic.com
The Modern Library 100 Best Novels
Project Gutenberg
Roger Ebert's Overlooked Film Festival

Useful Software

Audacity
BibDesk (OS X)
Cyberduck (OS X)
Eclipse
MacPorts (OS X)
MacTeX (OS X)
Mozilla
OpenOffice.org
Quicksilver (OS X)
SmartCVS
TeXShop (OS X)
TextWrangler (OS X)
TortoiseCVS (Windows)
Vim

Humor

Funny Things To Do With Your Microwave Oven
The Grand List of Console Role Playing Game Clichés
How To Write Unmaintainable Code
Postal Experiments