A Ruler for Windows
Free on screen ruler software for windows.
http://www.arulerforwindows.com

JR Screen Ruler
JR Screen Ruler - Free virtual ruler for your computer screen. This Screen Ruler is a great tool that allows you to accurately measure anything on your screen. This is especially useful when measuring graphics, web page browser sizes or whatever. Screen Ruler can display Pixels, Inches, Picas or Centimeters.
http://www.spadixbd.com/freetools/jruler.htm

Graphical Ruler and Compass Editor (GRACE)
An interactive ruler and compass construction editor for use in teaching the fundamental concepts of geometry to high school students. Java.
http://www.cs.rice.edu/~jwarren/grace/

AvC Folding
Team AvC - Helping to further research on protein folding by donating idle processing power to Folding@Home. Help understand folding and ultimately find cures and treatments for some of todays most devastating diseases.
http://www.freewebs.com/avcfolding/

Team Mac OS X - Folding@home
Team Mac OS X - Folding@Home Distributed Computing Team helping Stanford protein folding research on cancer, Alzheimer's and Parkinson's disease
http://teammacosx.homeunix.com/

FirstLight Folding Kayaks
Folding kayaks weighing 20 lbs/10 kg for sea and river paddling. Light weight, low volume folding kayaks for recreational and light touring use.
http://www.firstlightkayaks.com/

Feathercraft Folding Kayaks
Travel the world with a Feathercraft kayak. Explore earth's wild rivers, rolling seas and magic mountains. Feathercraft manufactures and sells an exciting range of outdoor products - folding kayaks, sailrigs, rafts, dories, backpacks and accessories for great paddling, sailing and hiking adventures.
http://www.feathercraft.com/

Brompton Folding Bicycle
Brompton Bicycle Ltd is the London-based designer and manufacturer of the Brompton folding bicycle and related accessories
http://www.bromptonbicycle.co.uk

Folding-community.org
Forums to support and otherwise take and give feedback about the Stanford Folding@home project.
http://forum.folding-community.org/

Folding@home
It is a distributed computing project which studies protein folding, misfolding, aggregation, and related diseases.
http://folding.stanford.edu/