Abstract Horizon is set of open source projects.
is in function somewhere between http-proxy and
proactive-mirror. Proximity is not a HTTP Proxy (something like Squid is). It requires Java 1.4.2 platform and
is a standard J2EE Web Application (altough, the px-core engine is pure J2SE application). One of it's primary
use is as Java web application to serve as Maven proxy on our company's intranet. As for reducing outgoing
traffic (caching central and other maven repos), aggregating more repositories (reducing project config)
with acting as one logical repository and for publishing in-house and other external maven artifacts which are
not uploadable to "central" (like commercial projects, J2EE Jars, etc...).
is a little desktop program that allows comparison and
synchronisation of two folders and their sub-trees of files.
is a simple HTTP server that can operate without having to conform to the J2EE standard.
Extend is a simple, highly configurable and light-weight
application container based on Spring Framework.
Mercury is set of e-mail related projects.
It currently has implementations of SMTP inbound server and IMAP 4rev1 server. Both are working
based on Maildir JavaMail implementation.
Colosseum is Java implementation of forum alike
software that is much more.
Here you can find some interesting stuff.