The QuickSilver project, an open source Java library/framework for quick creation of robust multi-client TCP server application, has released version 1.4.5. It includes an upgrade to ClientIdentifier for becoming a plugin, the addition of PoolManager and QSObjectPoolMaker, a new GUI chat server client, and many smaller bug fixes.

New features:

# Made ClientIdentifier implementation plug able.
# Added ClientIdentifier implementations SyncClientIdentifier,
OptimisticClientIdentifier.
# Added GUI Chat Client for ChatServer example.
# Changed timeout setting to milliseconds, default timeout is now 1 minute.
# Improved GhostSocketReaper.
# Added support for NIO (non-blocking io) for normal sockets: Server Mode
# Added support for Java assertion.
# Added new QSAdmin commands to find pool information.
# Added new QSAdmin command 'systeminfo', 'start console' and 'stop console'.
# Backlog and Socket linger for server is now configurable.
# Added GUI prompt for sensitive application parameter.
# Added -fullXML2File to -load switch.
# Added new interface ClientEventHandler, ClientWriteHandler.
# Improved org.quickserver.util.logging classes implementation.
# New example: Filesrv - A simple http file download server.

To read more visit http://www.quickserver.org/docs/features.html