XML Schema
xml-schema
XML-webbtjänster
XMMS
X-Moto
XMPlay
XNU
XO
Xochicalco
Xochimilco
XOOPS
XOP
X.Org
X.Org Foundation
XPath
.xpi
XPilot
XPointer
XPS
XPS-dokumentfilformat
XPS-dokumentformat
XPS Essentials Pack
XQuery
X-Raided
X-Ray Spex
XrML
XrML (Extensible Rights Markup Language)
X-SAMPA
X-SAMPA fonetisk notation
Xsan
XScale
Xserve
XSL
XSL-FO
XSLT
XTC
XTS
XU
Xuanzang
Xubuntu
XUL
Xuxa
Xu Zhimo
X Window System
XXx
XXx 2 - The Next Level
xxxxx
Xylan
xylem
xylen
svenska