We've recently completed certification of tc Server and the AMS Agent for zLinux (RHEL 5.2) on IBM's zSeries architecture.

Current supported platforms can be found at:
http://static.springsource.com/proje...gssupplat.html

Evaluation downloads can be found at:
http://www.springsource.com/products...-60-evaluation


And commercial users can log in to their accounts and access licensed subscription downloads from:
http://www.springsource.com/spring_account