Right now I'm Still using Eclipse to Develop for Blacberry OS 5. I don't know if the site still support Eclipse Plugin for Blackberry. But if you still want to develop on Blackberry i Suggest you choose tool from the main site. They have Java, C++, HTML5, and Adobe Air as platform to choose. I am not a Java Developer but an awesome PHP Developer, but i still choose Eclipse Plugin to develop. here are the link if you want to try Checkout every platform here https://developer.blackberry.com/ if you want to go straight to Eclipse https://developer.blackberry.com/java/download/eclipse. the Eclipse is supporting OS 7 as the newest OS. So if you want to develop for earlier OS you should download the plugin for eclipse. here is the link from Blackberry Doc site. http://docs.blackberry.com/en/developers/deliverables/23651/Install_Configure_973458_11.jsp . I think the link its just tutorial on how to install plugin for eclipse. but it should help you anyway. if you want ...