Siemens SIMATIC STEP 7 is a comprehensive engineering tool for configuring and programming SIMATIC PLC controllers. It offers maximum user-friendliness for beginners and experts alike. Totally Integrated Automation (TIA) from Siemens provides full integration of hardware, software, and services.
Allen-Bradley is one of the most established PLC manufacturers in the US automation market. It produces compact programmable automation controllers and supports intelligent I/O modules, portable data collectors, drives, and sensors through its software products.
ABB Automation Builder is an integrated software suite for machine builders and system integrators. It covers engineering of ABB's AC500 PLC