Alphabet: X

• X M L
• X M L Authoring
• X M L Content Publishing
• X Protocol
• X Series
• X Series Standards
• X Terminals
• X Window Protocol
• X Window Standard
• X Windows Terminals
• X-box
• X-Ray Inspection Systems
• X-ray Mammography
• X.25 Protocol
• X.400 Protocol
• X.500 Protocol
• X/Open
• X11R4
• X11R5
• X11R6
• X3
• x86
• X86 Virtualization
• XBRL
• xDSL

• Xen
• Xenix
• XenServer
• XenSource
• Xeon
• Xerox Network Services
• Xerox Networking Systems
• XGA Standard
• Xlib
• XML
• XML Authoring
• XML Content Publishing
• XML Publishing
• XML Web Services Security
• Xmodem
• XMS
• XNS
• XP
• xSeries
• XSL
• XSL Transformations
• XSLT
• xSP
• XSS
• XT Computers
• xterm