Google Web Toolkit

Google Web Toolkit
Original authorGoogle
Initial releaseMay 16, 2006 (2006-05-16)
Stable release
2.13.0 / February 11, 2026 (2026-02-11)
Written inJava
Operating systemLinux, Windows, MacOS, FreeBSD
Available inJava
TypeAjax framework
LicenseApache License 2.0
Websitewww.gwtproject.org
Repository

Google Web Toolkit (GWT /ˈɡwɪt/), or GWT Web Toolkit, is an open-source set of tools that allows web developers to create and maintain JavaScript front-end applications in Java. It is licensed under Apache License 2.0.

GWT supports various web development tasks, such as asynchronous remote procedure calls, history management, bookmarking, UI abstraction, internationalization, and cross-browser portability.