WAndroid Studio
WAppleScript Editor
WBlueJ
WC4 Engine
WCoda (web development software)
WEarth3D
WEclipse (software)
WEclipse Che
WEric (software)
WFlare3D
WFree Pascal
WGodot (game engine)
WGreenfoot
WHollywood (programming language)
WInstruments (software)
WInterface Builder
WLazarus (IDE)
WNASA WorldWind
WNetBeans
WNetwide Assembler
WPhysX
WQB64
WSolar2D
WSparkle (software)
WSuperCard
WSwift Playgrounds
WUnity (game engine)
WVisage SDK
WXcode
WXojo