Jumbocad
This is a very powerful Schematic and PCB layout tool for Engineer
This is a very powerful Schematic and PCB layout tool for electronic Engineer. It is very easy to use. Coming version will add the SPICE features as well as the 3D model.
This tool is target for single user, so all the things such as Schematic, PCB layout, SPICE model, 3D models are all combined into a single project file "*.prj" in ZIP file format. Anyone should able to explore and see the structure of files using any zip tool.