Electronic Design Automation

fritzing - [fritzing.org]		Open source, Cross-platform
KiCad - [kicad-pcb.org]		Open source, Cross-platform
gEDA - [geda-project.org]		Open source, Cross-platform
ExpressPCB - [expresspcb.com]		Free, Windows only
Eagle - [cadsoftusa.com]		Commercial + Free, Cross-platform
DipTrace - [diptrace.com]		30-day trial / 300-pin Freeware
Sprint-Layout - [abacom-online.de]		Commercial + Free Viewer
...		...
gplEDA - [gpleda.org]		List of GPL EDA websites
DesignSpark - [designspark.com]		Links to Websites