WSD(WinSock direct)
WS-F PRP
WS-F PRP(WS-Federation Passive Requestor Profile)
WSH
WSIM
WSRM
WTO
wu
wuk
wul
wun
wung
WWAN
WWAN(Wireless Wide Area Network)
WWCR
WWW
WX
WYSBYGI
WYSIWYG
X.25
X.400
X.500
X.509
x64
x86
X.995
XAML
XAML(eXtensible Application Markup Language)
XDI
Xfce
Xgl
XGP
XHTML
XIII
XImage
XM26 LSS
XML
XML(Extensible Markup Language)
XML Web services
XMPlay
XPath
XPS
XrML
XrML(Extensible Rights Markup Language)
X-SAMPA
XSD
XSL
XSL(Extensible Stylesheet Language)
XSLT
XSLT(Extensible Stylesheet Language Transformations)
Hangungmal