I can't tell you all but if it is development in java that you are looking forward to then Eclipse Project would be a good choice for source development with Apache Tomcat Web Server.
Hope this helps.
When it comes to some things, I definitely prefer Netbeans over Eclipse, for instance, Tomcat deployment within Eclipse is pretty tricky to set up properly, whereas with Netbeans, it's almost ready for Tomcat deployment upon installation. But eclipse is definitely better for third party configurations and stuff.
sourceforge is great. i highly recommend it.
is there not a violation on copyright?
needn't you request a authorization from all the probably authors?
the open source software often have a lot of authors of different components.
as they usually reference open source code from other developers.