Distributed Computing

Berkeley Open Infrastructure for Network Computing (BOINC) - A software platform for distributed computing using volunteer computer resources.
http://boinc.berkeley.edu/

Linux Virtual Server - The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server. It is under GPL licence.
http://www.linuxvirtualserver.org/

Ncat - Makes it easy to pipe data between hosts. The syntax is similar to cat, but allows tcp streams to be specified in addition to regular files. (C) [GNU/Linux, Unix]
http://www.kyne.com.au/~mark/software/ncat.php

Xfiles - An interactive utility for comparing and merging one file tree with another over a network. (Java)
http://www.idiom.com/~zilla/xfiles.html

DotGNU Project - A Free Software competitor to Microsoft's .NET
http://dotgnu.org

SDSC Matrix Project - Offers workflow protocols and workflow language descriptions necessary to build a peer-to- peer infrastructure.
http://www.npaci.edu/DICE/SRB/matrix/

openMosixview cluster-management GUI - openMosixview cluster-management GUI
http://www.openmosixview.com/

BoincView - An addon for BOINC. Under Windows all BOINC Clients in a network can be supervised and partly remote controlled.
http://boincview.amanheis.de

OpenMosix - OpenMosix is the free fork from MOSIX after this great project closed the user area tools to a closed-source licence. All OpenMosix is under GPL licence.
http://openmosix.sourceforge.net/

OpenMosix user area tools (userland tools) for 2.6 - Official (and experimental) user area tools for OpenMosix kernel 2.6.
http://www.orcero.org/irbis/openmosix/userland.html

FIPA - The Foundation for Intelligent Physical Agents is a non-profit organisation producing standards for the interoperation of heterogeneous software agents.
http://fipa.org

boincwapstats - Web page of an Open Source PHP script that generates signature images out of BOINC statistics. Easy to set up and also easy to run.
http://boincwapstats.sourceforge.net/

OSF Distributed Computing Environment (DCE) - A set of distributed computing technologies under LGPL, promoted and developed by The Open Group.
http://www.opengroup.org/dce/

ZooLib - A library allowing to create native executable for GNU/Linux, Unix, Mac OS, BeOS and Windows with little or no need for platform-specific code. (C++)
http://zoolib.sourceforge.net/