3D printers, desktop CNC mills/routers, and laser cutters have made a massive difference in the level ... if you had to manually write G-code, so CAM software had a big part to play.
You also need to make sure that your CAM software is compatible with your CAD software, your CNC machines, and your post-processors. You can compare different CAM software based on their features ...
You may want to compare different software, read reviews, watch tutorials, and try demos before making a decision. It's best to keep in mind that CAD (computer aided drawing) and CAM (computer ...