* Java development support. (The Java editor is one of the best Java IMHO editors. Java projects support Ant and Maven.) * RCP support * GUI editor for Java windows * RCP support: An easy way to create your own app using NetBeans base. There is a lot of documentation for RCP creation. * Plugins can be easy created. Also there is support for other languages as C/C++, HTLM5, Javascript, Groovy, PHP... There is a lot of plugins that can be easily installed.