In the opening keynote at SpringOne Europe 2009, Rod Johnson wondered if Java innovation is going to be stifled by latest acquisition and expressed his belief that Java will continue to evolve outside of as it has done for the last few years. As proof he mentioned: Grails, Roo, a tool for improved developer productivity, a free STS, tc Server and dm Server.

http://www.infoq.com/presentations/SpringOne-Keynote-Rod-Johnson