WEclipse (software)
WEclipse Che
WBIRT Project
WDBeaver
WEclipse Modeling Framework
WEclipse NeoSCADA
WEclipse Sirius
WETrice
WJetUML
WKoneki
WPapyrus (software)
WPHP Development Tools
WRequirements Modeling Framework
WStandard Widget Toolkit
WYAKINDU Statechart Tools