XaaS

Everything as a Service (ict/cloud)

XACML

eXtensible Access Control Markup Language (org/oasis)

xDSL

any Digital Subscriber Line (ict/net)

XGP Forum

Extended Global Platform Forum (org)

XHTML

eXtended HyperText Markup Language (org/w3c)

XMI

XML Metadata Interchange (org/omg)

XML

eXtensible Markup Language (org/w3c)

XNS

Xerox Network Services (com/us/xerox)

XOFF

eXchange OFF (ict/device/modem)

XON

eXchange ON (ict/device/modem)

XOT

X.25 Over TCP (org/ietf)

XSD

XML Schema Definition (org/w3c)

XSL

eXtensible Stylesheet Language (org/w3c)

XSLT

eXtensible Stylesheet Language Transformation (org/w3c)

XSMD

eXtended Storage Module Driver interface (ict/lang)

XT

eXtended Technology (ict/comp)

XTM

XML Topic Map (ict/lang)