Caiman
http://www.caiman.us

Our favorite all freeware site.
This site was the first to feature a review on Intruder Alert and hosts all of our games.
It has a weekly update on new freeware games.

Linux Game Tome
http://www.happypenguin.org

The best site for Linux games

Linux Links
http://www.linuxlinks.com

Good collection of Linux based software and games

Demo News
http://www.demonews.com

A great collection of freeware games.

Snapshot-Sheffield
http://www.snapshot-sheffield.com

Site with photos on Sheffield (UK) and surrounding area's

libSDL
http://www.libsdl.org

Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. We use this for our games.

NeHe
http://nehe.gamedev.net

Lots of OpenGL related information.