Is there a free Commercial-Use Application-Server ?
I found a chart on Wikipedia("Comparison of application servers"), which says that JSAS (now GlassFish) and IBM WebSphere are free.
I am not sure about this, but it seems that:
Am I correct? Is Apache Geronimo is free for commercial use?
Jboss and Glassfish are great examples of application servers free for commercial use, you have to distinguish the difference between free use and support, both of them are free to use but if you want to get same support (not talking here about forums etc) you would have to probably pay for it.