We're happy to announce today that we're relaunching the following former Instantiations products under the Google name and making them available to all developers at no charge:
Powerful Eclipse-based development tools that enable Java developers to quickly create Ajax user interfaces using Google Web Toolkit (GWT)
Comprehensive automated software code quality and security analysis tools to improve software quality, reliability, and maintainability
Java graphical user interface designer for Swing, SWT, GWT, RCP, and XWT UI frameworks
Test GUI interactions within Java client rich applications for the SWT and Swing UI frameworks
You can download any of the tools from the GWT download page.
See the Google Code Blog for more details.