WAdobe Lightroom
WAgda (programming language)
WAlpine (email client)
WAnvilNext
WBBC iPlayer
WBharat Operating System Solutions
WCalculate Linux
WClojure
WCoda (web development software)
WCrowdrise
WDeckadance
WUnknown Worlds Entertainment
WEditra
WEgo (game engine)
WEndomondo
WEZGenerator
WFlightGear
WGradle
WGrome
WIPhone OS 1
WJing (software)
WKindle Store
WLandscape (software)
WLaunchy
WMac OS X Leopard
WMicrosoft Blend
WMicrosoft Expression Design
WMicrosoft Expression Encoder
WMicrosoft Silverlight
WMidnightBSD
WMidori (web browser)
WMozilla Prism
WNcdu
WNeo4j
WNetscape Messenger 9
WNetscape Navigator 9
WPCem
WAlgodoo
WPlay Framework
WPocket (service)
WPyPy
WQB64
WRecuva
WRobot Operating System
WSafari (web browser)
WScrivener (software)
WTeraCopy
WTime Machine (macOS)
WTrisquel
WUniva
WVisTrails
WWordGrinder
WS.T.A.L.K.E.R.: Shadow of Chernobyl
WXeTeX