PLPlus - Version 2.03 Beta A desktop application that allows real estate professionals to upload their listings data to a variety of applications. RETS, RELML, and other XML formats are available. Currently we offer National, Regional, Board, and Company views of the listings via the Listings Plus web engine. All listings are generated dynamically with the simple entry into PLPlus. PLPlus and ListingsPlus then can make available the formats needed by other engines. PLPlus can also build a board's community by letting a group of real estate professionals exchange listings, documents and images.