Footprint generators/importers for PCB

Darrell Harmon's Footgen: http://dlharmon.com/geda/footgen.html

DJ Delorie's Dual Pad Generator: http://www.gedasymbols.org/user/dj_delorie/tools/2pad.html

DJ Delorie's DIL Pad Generator: http://www.gedasymbols.org/user/dj_delorie/tools/dilpad.html

Stefan Salewski's Footprint Generator: http://www.ssalewski.de/SFG.html.en

Edward Hennessy's Footprint Generator: http://www.gedasymbols.org/user/edward_hennessy/gfootgen.html

Wilkinson Power Divider Footprint Generator by Erich Heinzle

Hybrid Ring Coupler Footprint Generator by Erich Heinzle

Spiral Inductor Footprint Generator by Erich Heinzle

Kicad module (footprint) importer by Erich Heinzle

Karl Hammar's footprint generator written in Perl

Roland Lutz' footprint generator for connectors and through-hole ICs

Igor2's parametric footprint generator (sources at svn://repo.hu/pcb-rnd/trunk/pcblib-param) and its on-line web test/preview/download page

BXL2text – BXL → gEDA symbol / PCB footprint converter by Erich Heinzle, users with vendor supplied BXL files are encouraged to try it.

John Luciani's Pcb_9 perl module with documentation

Britton Kerin's extension to Pcb_9 adding text silk notes, mounting holes, round pads and marks ( documentation)