WAgda (programming language)
WATS (programming language)
WC Sharp (programming language)
WCiao (programming language)
WClean (programming language)
WClojure
WCMS Pipelines
WCoq
WCuneiform (programming language)
WElm (programming language)
WErlang (programming language)
WEuLisp
WF Sharp (programming language)
WF* (programming language)
WHaxe
WHume (programming language)
WJulia (programming language)
WLisp (programming language)
WLogo (programming language)
WMaple (software)
WMatita
WMediaWiki
WMiranda (programming language)
WNewLISP
WNim (programming language)
WOpa (programming language)
WPure (programming language)
WPureScript
WPure (programming language)
WR (programming language)
WRacket (programming language)
WRed (programming language)
WRust (programming language)
WScala (programming language)
WWolfram Language