Complex sentence: The second iteration of Easytrieve was originally an independent product (Pro/Grammer) that ultimately was renamed as Easytrieve Plus and no longer licensed separately, but instead made available to all Easytrieve customers.
Split into simpler sentences: The second iteration of Easytrieve was originally an independent product (Pro/Grammer) that ultimately was renamed as Easytrieve Plus. It is no longer licensed separately, but instead made available to all Easytrieve customers.