W3D-Calc
WAtari ST BASIC
WContiki
WDeluxe Paint
WEmuTOS
WFractint
WGEM (desktop environment)
WGFA BASIC
WLattice C
WMicrosoft Word
WMicrosoft Write
WMiNT
WMusic Construction Set
WNEOchrome
WPageStream
WResource construction set
WSpareMiNT
WSpectre GCR
WSteinberg Cubase
WSTOS BASIC
WVbcc
WWordPerfect