"W, X, Y, & Z" Programing Languages!!

Water - targeted at rapid prototyping of XML Web services
WHATFOR - see WHATFIV
WATFIV - implementation of Fortran IV
WAXHTML
WebQL - used to automate data integration and collection from unstructured and structured sources
Whitespace - esoteric programming language
WinBatch - menuing language in Command Post
WinDev - integrated development environment
Windows PowerShell - extensible command line interface shell
X10 - designed specifically for parallel programming
XBL - declares behavior & look of XUL-Widgets
xbScript - Also xBaseScript
xHarbour - offers multiple Graphic Terminals
XL - designed to support concept programming
XOTcl - object-oriented extension for the Tool Command Language
XPL - dialect of the PL/I programming language
XPL0 -
XQuery - designed to query collections of XML data
XSLT - transformation of XML documents into other XML or "human-readable" documents
Y - small C-like programming language that is commonly used for peephole optimizers
YACC - a parser generator
YAFL -
Yellow - Rejected prototype for Ada
Yorick - interpreted programming language
Z++ - was an object-oriented extension to the Z specification language
Z notation - like UML.
ZPL - an array programming language designed to replace C and C++ programming languages in engineering and scientific applications
ZZT-oop - early in-game scripting programming language
ZOPL - for use on mainframe computer systems used in libraries and banking institutions
ZUG -