WAllegro (software library)
WBlender (software)
WCubic IDE
WFree Pascal
WVim (text editor)
WHollywood (programming language)
WNetSurf
WOrigyn Web Browser
WPageStream
WProfessional File System
WScalos
WScummVM
WTurboPrint
WVbcc
WVim (text editor)
WVoyager (web browser)
WXAD (software)
WYAM (Yet Another Mailer)