Panther is a lightweight, modular Java application server
suitable for embedding in a Web server, and intended as
an alternative to the current standard of large-scale or
monolithic application servers.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Improvements include a more flexible method of loading
services into the system, a major bugfix with the
transaction layer, and a performance improvement of
around 30-50%.