Netbea......Nevermind. Well, I thiiiiiiiiiink that this might fit your needs http://www.openkomodo.com/
I think most people would point to Code::Blocks as the crossplatform IDE supporting all kinds of languages, and not done in JAVA. Another one I use extensively is Geany. Use the home page for Windows - most linux distros will have both in their repos (Ubuntu does). http://www.codeblocks.org/ http://www.geany.org/