Extensibility Extensible programming Extensible Metadata Platform Extensible Computational Chemistry Environment Extensible Forms Description Language EVE (text editor) Extensible Resource Identifier Extensible Provisioning Protocol Extensible Authentication Protocol Extensible Data Format Extensible Name Service Extensible Binary Meta Language Extensible Application Markup Language Extensible User Interface Protocol Extensible Configuration Checklist Description Format Extensible Embeddable Language Managed Extensibility Framework XMPP XSL Virtual Extensible LAN Extensible Device Metadata XRDS Agent Extensibility Protocol Adaptive grammar XML Fedora Commons Extensible MPEG-4 Textual Format Portable, Extensible Toolkit for Scientific …

Computation Call Control eXtensible Markup Language IMP (programming language) Arista Networks Extensible Storage Engine NeWS XMF ECL programming language Extensible Host Controller Interface Lightweight Extensible Authentication Protocol Extensible Text Framework Protected Extensible Authentication Protocol XHTML UEFI Polymorphic Programming Language BEEP EXtensible Server Pages Efficient XML Interchange EXtensible Tag Framework XSIL X3D XML framework Vino (operating system) EFI system partition PCDATA XAP SLPowers XML Protocol List of document markup languages Reptile (software)

SDIF Rc (Unix shell) Domain hijacking Textadept IPTC Information Interchange Model XML Enabled Directory Awesome (window manager) Secure instant messaging Department of Defense Discovery Metadata Specification Halecium halecinum Eclipse process framework EmEditor Adobe Dreamweaver Agent X Avogadro (software) Acid growth CeCe Joint Committee on Atomic and Molecular Physical Data XTF Ipe (software) Jean Paoli Expression problem Seed7 Binary XML List of style sheet languages I-number Linux Screen Reader Janney Elementary School PEAP Akonadi EML programming language SPIN (operating system) XDF Networked Environment for Music Analysis List of XML markup languages MML UEFI Platform Initialization Java Telephony API Multics Emacs TeX font metri