Google

Google.com has 610 URLs listed in 526 Dmoz categories.

LinLogLayout
A light-weight tool for force-directed graph layout and graph clustering (community detection). Includes reusable Java classes (LGPL license) for optimizing various energy models (including LinLog) and the modularity measure.
http://code.google.com/p/linloglayout/
Top/Science/Math/Combinatorics/Software/Graph_Drawing

Google News: SciTech
Science and technology news from Google's automatically edited web news filter.
http://news.google.com/news?topic=t
Top/Science/News_and_Media/Breaking_News

Google News: SciTech
Science and technology news from Google's automatically edited web news filter.
http://news.google.com/news?topic=t&output=rss
Top/Science/News_and_Media/Breaking_News

nMod nBody
Is a modelling Toolkit that contain a Particle-Particle nBody model, a visualiser to display the time evolution, and other utilities to assist in the development of nBody simulation.
http://code.google.com/p/nmod/
Top/Science/Physics/Computational

Christopher Reed
Contains physics links, introduction to quartz crystal microbalance (QMB), reviews of physics and math books, a little about continued fractions and a publication list.
http://sites.google.com/site/christopher3reed/
Top/Science/Physics/Crystallography/Personal_Pages

The Area Diffraction Machine
The project homepage of the Area Diffraction Machine, an open source program for performing general two dimensional diffraction data analysis.
http://code.google.com/p/areadiffractionmachine/
Top/Science/Physics/Crystallography/Software

Relativity: Special, General, and Cosmological
Sample chapters from the classical textbook by Wolfgang Rindler, as part of a "limited preview" on Google Books.
http://books.google.com/books?id=fUj_LW51GfQC
Top/Science/Physics/Relativity

Milton Friedman on Limited Government
Full episode of The Open Mind interviewing Milton Friedman on his beliefs in limiting governmental powers.
http://video.google.com/videoplay?docid=6813529239937418232
Top/Science/Social_Sciences/Economics/People/Friedman,_Milton

Multi-language online world phrasebook
Ever-growing list of common, useful phrases translated into many different languages around the world.
http://spreadsheets.google.com/pub?key=pk_yT3zL-5Gp45a3UyKbMOA
Top/Science/Social_Sciences/Linguistics/Education/Multi-Language/Online_Phrase_Books

Google: Igpay Atinlay
The search engine, directory, and groups interface in Pig Latin.
http://www.google.com/intl/xx-piglatin/
Top/Science/Social_Sciences/Linguistics/Languages/Constructed/Play/Pig_Latin