DesignWorks Lite

With DesignWorks Lite you can: Draw, save, edit and print complete, professional circuit diagrams using powerful features like bussing, multi-level Undo/Redo, and automatic gate packaging.

Use the library of common 74XX and discrete symbols provided or create your own libraries using the built-in symbol editor. Send compact circuit diagram files to friends or colleagues over the net.
Version 4.2 includes many enhancements to the built-in symbol editor, including rotate and flip on all objects, new popup menus, more drag and drop operations, a new Symbol Gallery window, more color and line width options, and many small improvements. The new version also adds the ability to set individual colors on signals, better control over bus pins and a
number of new menu commands and small features.