DipTrace
DipTrace is an advanced PCB design software application that comes with PCB Layout module, powerful auto-router, Schematic Capture and Component/Pattern editors to design your own component libraries. Besides being very simple to learn, which is quite an accomplishment for an engineering... A feature comparing a PCB to a schematic helps detect possible design mistakes and correct them before prototyping. ... Another important features are Design Rule Check (DRC) and Net Conectivity Check - the functions that check the clearance between design objects, minimum size of tracks and drills,...
http://www.diptrace.com/downloads/diptrace_en.exe - 16Mb - Download - Screenshot

DipTrace Free
DipTrace is an advanced PCB design software application that comes with a PCB Layout module, a powerful auto-router, Schematic Capture and Component/Pattern editors to design your own component libraries. Besides being very simple to learn, which is quite an accomplishment for an engineering... A feature comparing a PCB to a schematic helps detect possible design mistakes and correct them before prototyping. ... Another important feature is Design Rule Check (DRC) - the function that checks the clearance between design objects, minimum size of tracks and drills, which ensures board accuracy.
http://www.diptrace.com/downloads/dipfree_en.exe - 16Mb - Download - Screenshot

Rimu Schematic
Rimu Schematic is professional quality electronic schematic capture software, designed for ease of use. Rimu Schematic follows familiar concepts and commands used in many other Windows applications. Presentation quality schematics - make a good impression on your employer or customers. ... PCB Netlist - import into your PCB layout software for error-free PCB layout. ... Design rules checking. ... Heirarchical design with a Sub-circuit Wizard to automatically create sub-circuit symbols from schematics, or vice versa.
http://www.hutson.co.nz/rimu.zip - 2Mb - Download - Screenshot