If you are trying to learn groovy and grails like me you should visit http://groovyblogs.org . Really nice aggregator for grails and groovy blogs and posts. But the most important part this site is, it is open-source !!!
Image by Neil T via Flickr I have been developing java application for more then 6 years. Most of these years I have used and evaluated open source projects. Here I'll try to explain my open source java stack.