GeoWorks is a graphical environment and application suite for DOS. GEOS for the IBM PC (PC/GEOS) was a huge advancement over the earlier-8 bit Apple II and Commodore 64 GEOS products. Although the PC versions runs on top of DOS, it is sometimes considered an Operating System. Notably, PC/GEOS was used as a graphical runtime for the America Online DOS client. The GeoWorks suites include the applications GeoWrite, GeoDraw, GeoManager, GeoPlanner, GeoDex, and GeoComm. GeoWorks later became NewDeal Office and then Breadbox Ensemble.