QEMM

Quarterdeck Expanded Memory Manager (QEMM)
Developer(s)Quarterdeck Office Systems
Stable release
QEMM 97 (aka v9.0) / May 15, 1997; 27 years ago (1997-05-15)
Operating systemDOS
TypeDOS memory manager

Quarterdeck Expanded Memory Manager (QEMM) is a memory manager produced by Quarterdeck Office Systems in the late 1980s through the late 1990s. It was the most popular third-party memory manager for the MS-DOS and other DOS operating systems.