While the ASTM/ISO standards categorize 3D Printing into 7 main technology families, you may run into dozens of different acronyms and names while scanning the industry. Giving an exhaustive view over the full Additive Manufacturing spectrum is a paramount task and it is not easy to find an exhaustive answer on the web. Fortunately, there is a specialized consulting bureau that provides a very valuable tool for free: AM Power. If you are an expert in the field, you'll certainly know them. If that is not the case, we warmly invite you to visit their website —we are sure you'll hardly find better professionals around.
The following info-graphics are kindly provided by AM Power. Click on the image to view it in full scale.
Metal Additive Manufacturing Technology Landscape | Courtesy of AM Power
PolymerAdditive Manufacturing Technology Landscape | Courtesy of AM Power