We are a group of geeks from Barcelona (in Spain) that we want to share our experiences and knowledge related with this development language that gives us so many joys and headaches ;-). We would engage people to think, opine, ask and share and everybody is welcomed and we would like to listen as many suggestions as will be possible.
Double buffered lightweight Component GUI / Multithreaded NIO Server/ TCP Port Handler & Channel Abstraction with optimized serialization/data store and VLC middleware driver. And an RS232 Serial Driver. All of which runs verbatim as either a Java Application or an in Browser Java 2 Signed Applet.
A mail server written in pure Java using Grizzly for network and EclipseLink-JPA for persistence. Currently, POP3 and SMTP is working, including secure logins (APOP and CRAM-MD5). IMAP is being developed. The first release will be done after IMAP is fairly complete.