A long time ago when I was in the IBM WebSphere organization, I did a blog post about some free downloads of the software. Therefore, I still get a lot of blog search hits on this. To update the information I gave then:
- The IBM web page listing all downloads of WebSphere software, including trials, is here.
- The no-charge product “WebSphere Application Server for Developers V7.0” is here.
- The no-charge product “WebSphere Application Server Community Edition V2.1” is here.
In time this will go out of date as well, so the first link is probably your best bet to look at first.