From Fedora Project Wiki
gerbv
Gerber file viewer from the gEDA toolkit
Old Version: 2.5.0 -> New Version: 2.6.0
Project site: (http://gerbv.gpleda.org/index.html)
gtkwave
Waveform Viewer
Old Version: 3.3.25 -> New Version: 3.3.31
Project site: (http://gtkwave.sourceforge.net/)
kicad
Electronic schematic diagrams and printed circuit board artwork
Old Version: 2011.07.12 -> New Version: 2012.01.19
Project site: (https://launchpad.net/kicad)
pcb
An interactive printed circuit board editor
Old Version: 0.20100929 -> New Version: 0.20110918
Project site: (http://pcb.sourceforge.net)