EPICS-DDS is an open source implementation of the Object Management Group (OMG) Data Distribution Service (DDS) based on the Channel Access protocol of the Experimental Physics and Industrial Control System (EPICS).
Ex-Crawler is divided into 3 subprojects (Crawler Daemon, distributed gui Client, (web) search engine) which together provide a flexible and powerful search engine supporting distributed computing. More informations: http://ex-crawler.sourceforge.net
Web Services Interoperability Profile Environment is a toolkit for managing and using "service profiles" needed for SOA realisation. Core is an inheritance resolver library, used by a document generator and conformance test suite generator.
Distributed Computing Over P2P Networks(DisCo) is focused to provide a java framework for programmers to develop distributed software application with lesser or no time spent on distributed computing part.
JMS/Joram implementation of the Bully election algorithm. It is a library to be used by a process' implementation to make it transparently manage coordinator's elections, while it carries out business logic. A sample application is included.
The original FreeMMG was an attempt at implementing a decentralized MMOG in Java. FreeMMG 2 is, currently, just a PhD thesis, which you can download here. If you are interested in developing the FreeMMG 2 ideas into something concrete: fcecin AT gmail.
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Titan allows service-oriented processing of context recognition applications on Wireless Sensor Networks. It includes an execution environment developed for TinyOS and a Java ME (Personal Profile) Network Manager intended to be run on a mobile phone.
The CodeTime platform covers every aspect of parallel software from authoring, through distribution, to run-time. Its goals are: high programmer productivity; write once, run high performance anywhere; and wide acceptance.
A java demon that exposes shell/groovy/ruby/jython scripts (and other content) via JMX and RMI. Could be applied in environments with distributed applications where all kinds of applications need be started, stopped, monitored, installed etc.
IDEAIS is a enteprise service bus integration plataform for software development tools and activities. It uses Web Services (SOAP/HTTP) to integrate best of the breed software development tools (Eclipse, Subversion, Bugzilla, dotProject, vTiger).
Open Grid Manager (OGM) is a lightweight open source grid management framework that provides a cohesive solution for monitoring and managing arrays of heterogeneous grid resources deployed within live production grids.
A peer-to-peer object sharing system, based on ICE, which can be applied to several P2P applications. An initial proof of concept will be a distributed web cache for LANs with no central proxy server.
SMUT NIO is Scalable Multi User Technology based on Java NIO. This technology abstracts the client server communication and allows the user to create multi user applications concentrating on business logic rather than server communications.
WS Arena is a XMPP platform that allows applications to multiplex streaming messages of any content type. Messaging can be accomplished asynchronously across networks in real time. Possible transport modes include WS-to-WS, WS-to-XMPP, and XMPP-to-XMPP.
Gridster - a lightweight grid computing framework written in Java. Utilizes JMS and should work nicely in any standards-based Enterprise Java environment.
The CommGen platform is intended to be a simple, scalable integration platform
for small to medium problem sets. The architecture is simple, consisting of a
distributed kernel, distributed O/S, agent and application layer.
Raindrop is a Java based framework based on SEDA (Staged Event Driven Architecture) principles. It focuses on providing highly concurrent server side throughput by managing and controlling Thread usage and concurrency primitives.