WAmiga Unix
WAncient UNIX
WArdent Window Manager
WBlackbox
WCB UNIX
WChkrootkit
WClear (Unix)
WData Display Debugger
WDired
WEMMS (media player)
WGentoo (file manager)
WGPhoto
WGpsDrive
WGwrite
WThe Hessling Editor
WIcal (Unix)
WIspell
WJOVE
WLibusb
WLogname
WLUnix
WMicroEMACS
WMonit
WMotd (Unix)
WNcdu
WNe (text editor)
WNLUUG
WOpenBGPD
WOpenCSW
WPg (Unix)
WPstree
WRaspcontrol
WRkhunter
WScsh
WSSHFS
WStrings (Unix)
WTree (command)
WUtah GLX
WVenix
WWebmin
WWily
WXbiff
WXfe