If you use long package names in your projects (e.g. com.mycompany.myproject.mysubproject) you can save some space in your IDE using the following switch:
Just add it into your netbeans.conf file in your netbeans installation or run NetBeans with this switch and you will get something like this:
Short package names
So instead of org.netbeans.modules.openide.loaders I have here o.net.mod.ope.loaders, which is still readable but takes so much less space. Because free space matters.