WAgentCubes
WApache Groovy
WAppleScript
WCiao (programming language)
WClojure
WErlang (programming language)
WEuLisp
WJulia (programming language)
WLisp (programming language)
WLogo (programming language)
WLua (programming language)
WMathcad
WMATLAB
WNekoVM
WNewLISP
WPerl
WPharo
WPicoLisp
WPowerShell
WPure (programming language)
WR (programming language)
WSelf (programming language)
WSmalltalk
WSqueak
WWolfram Language
WZenith Parsing Engine