Love the JVM but wish there were more Java based teams participating in hackathons. We do to so we're trying to change this.
If hacking with Grails for 48hrs straight with some of the most passionate and talented Grails developers on the planet interests
you come join us at www.grails48.com. Totally free global community based event.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com