SAPUI5 is the most up-to-date from the series of SAP UI growth systems. So that you can offer Net integration to the underlying SAP ERP technique, SAP came up with several UI growth technologies like BSP (Enterprise server webpages), PDK (Portal advancement kit), Internet Dynpro Java, Web Dynpro ABAP. And the successor of Web Dynpro ABAP is SAPUI5.