http://www.fleaflicker.com/ http://www.fleaflicker.com/ is 100% java. I started developing it in '05 before Rails was huge. Using Java has actually been a huge

http://www.fleaflicker.com/ http://www.fleaflicker.com/ is 100% java. I started developing it in '05 before Rails was huge. Using Java has actually been a huge advantage: There are hundreds of high quality open source libraries. GWT allows me to leverage existing data structures and algorithms on the client-side.