Run NetBeans from Eclipse?
By Roman Strobl on V 13, 2005
Interesting idea, indeed, yeah, let's run NetBeans from Eclipse: http://sourceforge.net/projects/beanclipse
NetBeans got rid of biggest performance issues so let's come up with some new. The licences look very compatible as well. Anyway, if there are many projects like this one there is no reason to trust the sourceforge language popularity graphs, like this one:
Update: you can also try the opposite - run Eclipse from NetBeans: http://sourceforge.net/projects/netclipse