End User

Other Hardware

The world tiniest power supply:

picoPSU-120 as small as two coins, 120W power and 96% efficiency!!
http://www.mini-box.com/s.nl/sc.8/category.13/it.A/id.417/.f

The JackPC,

feature-rich thin client computer fully integrated into an existing LAN Jack, max. consumption 5 Watt, with DVI and USB2.0:
http://www.chippc.com/thin-clients/jack-pc/index.asp

Green PC Software

Modern desktop computers sit idle virtually the entire day while we read or type. 1-Box software leverages this unused computing power to create an environmentally-efficient alternative to traditional desktop computing.
http://userful.com/greenpc/

The Solo Computer

transportable solar powered computer for Africa http://www.explan.co.uk/solo/index.shtml