There are a lot of new application server products out there, and most of them do not have much of a track record. Persistence Software's PowerTier is now in its sixth version and has a customer list that speaks volumes about its appeal for enterprise-level applications. PowerTier 6 for Enterprise JavaBeans (a separate C++ version of PowerTier is also available, hence the distinction) is one of the leaders in this crowded field. There are some drawbacks to its development approach, but overall PowerTier should definitely qualify for the shortlist for enterprises looking for a robust and scalable application server that can handle high-performance Web applications.
Read Entire Review