References

CiteSeer - Search engine for computer science papers and publications
Web Design References
Bruce Peren's Open Source Series - library of downloadable books

Operating system

Linux

Filesystem Hierarchy Standard - standard defining what goes into what directory

Performance

Beaver Challenge - Performance comparison of tweaked distributions (Linux & BSD)
File System Benchmarks

Applications

RDiff - Remote backup solution, full or incremental, secure

How to

Creating a Complete Distribution on CD
Diskless computer
Various Tips & Tricks

Virtualization

Xen virtual machine monitor - virtual machine to run multiple OS at the same time

Clustering

Cluster Builder - directory of resources related to clustering

Programming languages

Java

Image processing and Graphics

JMagick - Java interface to ImageMagick imaging library

LISP

Short tutorial

Databases

SapDB

SAP Developer Network

Image processing and computer vision

Introduction to computer vision and image processing - (Full book)
Image Processing Fundamentals - (Full book)

Document analysis and recognition

ICDAR 2003 - Document analysis and recognition conference
Document Layout Interpretation and its Applications - central repository of information and source code
Research projects related to OCR and Document Image Understanding

Programming

JMagick - Java interface to ImageMagick imaging library

Data Mining

SIGKDD Explorations - ACM Special Interest Group on Knowledge Discovery and Data Mining
Data Mining Resources

Speech recognition

Sphinx4 - speech recognition system written entirely in Java

User interfaces

XUL

Amazon XUL Interface
XUL Programmer's Reference Manual
Rapid Application Development with Mozilla, Errata - errata for XUL development book available in Bruce Peren's series (see above)
Creating Applications with Mozilla
XUL Tutorial
XUL Planet
XUL Element Reference

Distributed computing

Grid computing

Build grid portals with Grid Portal Toolkit 3

The Globus Toolkit is an open source software toolkit used for building grids

Travel

Where to go in the world based on time of the year - click on Destination Finder
Journal of trip around the world (2000)
Another journal of trip around the world
Air tickets around the world

Shopping

http://www.slickdeals.net/ - Current discounts on the web
http://www.cheapovegas.com/roomguide.php - Las Vegas hotel tips

Medical technology

http://www.orionhealth.com/ - ISV of medical software
http://www.linuxmednews.com - news site for medical technolgoy news

Blogs

Old new Things