TinyCAD is a program for drawing circuit diagrams in Windows. It has drawing libraries included with it. It can output into popular PCB layout programs in PADs & Protel format. It also has a SPICE template engine to support simulation netlists.

The latest file releases
Package Release Date Notes / Monitor Downloads
TinyCAD - Official Release 2.60.01 February 28, 2006 Release notes     Monitor this package Download