IT Terms beginning with 'X'
- X Client
- X Server
- X Terminal
- X Window System
- X-Post
- X-Y Matrix
- X-Y-Z Matrix
- X.25
- X.400
- X.500
- X.509
- X.509 Certificate
- X.Org Foundation
- X.Org Server
- X12
- X2
- x264
- X2B
- X2C
- X2D
- X3D
- X86
- x86 Architecture
- XaaS
- XACML
- XAI
- Xalan
- XAML
- Xanadu
- Xbox
- XBRL
- XCCDF
- xDSL
- Xen Hypervisor
- Xenodochial
- Xerography
- Xerox Network Systems (XNS)
- XFDL
- XGA
- XHTML
- XJACK
- XLDB
- XLR Connector
- XMCL
- XML
- XML Bomb
- XML Data Island
- XML Database
- XML Query Language (XQuery)
- XML Schema
- XML User Interface Language (XUL)
- XMODEM
- XMPP
- XNA Game Studio
- XNS
- XON/XOFF
- XOR
- XOR Gate
- XP
- XPath
- XPath Injection
- XPDR, XPNDR, TPDR or TP
- XPM
- XProtect
- XQuery
- XrML
- XSL
- XSLT
- xSP
- XSS
- XSS Hole
- XUL
- XUL
- Xvid
