Based on the analysis above, the following recommendations are made:

If you are a student or researcher, legitimate free or low-cost versions are often available for non-commercial use.

PCAD, also known as Personal Computer Aided Design, is a popular software used for designing and creating printed circuit boards (PCBs). The software has been widely used by engineers, designers, and hobbyists for creating and manufacturing PCBs. The software offers a range of features and tools that make it an ideal choice for designing and creating complex PCBs.