MultiSim/Electronics Workbench:
http://www.electronicsworkbench.com
http://www.interactiv.com
Eagle Layout Editor
http://www.cadsoftusa.com
Electronic Design Studio:
http://www.quickroute.co.uk
Quickroute
http://www.dotqr.com
Spicycle
http://www.spaiceage.com
Easy-PC for Windows
http://www.numberone.com
ORCAD
http://www.orcad.com
Protel 99 SE
http://www.protel.com
Proteus VSM
http://www.labcenter.co.uk
Ranger XL
http://www.seetrax.com
P-Cad 200
http://www.protel.com
CircuitMaker 2000
http://www.circuitmaker.com
CAD Pack
http://www.matrixmultimedia.co.uk
VUTRAX
http://www.vutrax.co.uk
EDWin
http://www.swifteurotech.co.uk