is this free

[nomanah...@gmail.com]

Is gwt-cal to use free for development and deploy to my client after using my application

[bradr]

gwt-cal is licensed under the GPL

this means that any software using gwt-cal must also be free and open source, under the GPL license. If you are using gwt-cal in a clients product, and that product is not open source, they must purchase a commercial license: http://code.google.com/p/gwt-cal/wiki/CommercialLicense