geda-examples is a set of example designs for gEDA (GNU
Electronic Design Automation).

  gEDA is a collection of tools which are used to make electrical
circuit design, simulation and prototyping/production easier/doable.
gEDA is a project, which was started because of the lack of free EDA
tools for UNIX.  All of the tools in gEDA are released under the GNU
Public License version 2 (GPL).