WAdobe Pixel Bender
WASF+SDF Meta Environment
WAtari Logo
WBabelfy
WCameleon (programming language)
WCLISP
WF* (programming language)
WIBM Open Class
WInteractive Ruby Shell
WJDOM
WJScheme
WJUDO (computer programming environment)
WMicroPython
WMicrosoft Pascal
WPALASM
WPDCurses
WPLEX (programming language)
WProgramming language reference
WPROMAL
WPrototype Verification System
WRaptor (programming language)
WSCM (Scheme implementation)
WSonic Pi
WStepstone
WSymbolic Optimal Assembly Program
WTMG (language)