BoardMaker3

BoardMaker3 is an integrated environment for the design of Printed circuit boards, offering a comprehensive set of tools that allow schematic entry, Spice simulation, 3D viewing and an Autorouter Interface.
With a Customised graphics engine and a user configureable interface it allows complete control of workflow.
BoardMaker3 is a science/CAD software that was designed to let you help with your design of PCBs.
Putting it simply - one of the most powerful and productive CAD tools on the market.
Like the PCB symbol editors, BoardMaker3 has a flexible system for handling schematic components. Components are divided into two parts. The first of these is the symbol which is the logical element of the component together with its graphical representation. In the case of an opamp for example, the graphic is drawn with three pins. The functions of these pins are "Non-Inverting Input", "Inverting Input" and "Output".Limitations in the unregistered versionyou can't save your work in the demo