To Service Oriented Architecture & Peer-to-peer

http://www.w3.org/TR/soap

http://www.xmlrpc.com/spec

http://www.jabber.org/

http://www.w3.org/TR/wsdl

http://daml.semanticweb.org

http://www.uddi.org

http://www-106.ibm.com/developerworks/webservices/library/ws-wsilspec.html

http://www.oasis-open.org/committees/regrep , http://www.ebxml.org

http://www.jxta.org , http://soap.jxta.org

http://www.w3.org/TR/rdf-syntax-grammar/

http://www.bittorrent.com/

BIBSTER - P2P and Semantic Web: http://bibster.semanticweb.org/

Semantic Search in Peer-to-Peer-Based Digital Libraries
and other articles on Semantic Web, see ERCIM.
... see also DELOS - FP6 IST NoE - http://www.delos.info/

To Ontology-based modelling

http://apollo.open.ac.uk

http://oiled.man.ac.uk

http://www.ontoprise.de/products/ontoedit

http://kmi.open.ac.uk/projects/webonto

http://protege.stanford.edu/

http://www-ksl-svc.stanford.edu:5915

http://www.daml.org/ontologies

http://www.cs.umd.edu/projects/plus/SHOE

http://www.starlab.vub.ac.be/research/dogma/OntologyServer.htm

http://suo.ieee.org

http://www.aifb.uni-karlsruhe.de/Projekte/viewProjektenglish?id_db=24

http://saussure.irmkant.rm.cnr.it/onto

http://kaon.semanticweb.org/

http://www.webocrat.org/

http://cl.tamu.edu

http://www.daml.org

http://www.w3.org

http://www.w3.org/2001/sw/WebOnt

To Agent Technology

http://www.agentlink.org/roadmap

http://www.fipa.org/

http://jade.cselt.it/

To Security

http://www.bmgs.bund.de/deu/gra/themen/gesundheit/geskarte/index.cfm

http://web.mit.edu/kerberos/www/

http://shibboleth.internet2.edu/

http://www.projectliberty.org

http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=security

http://www.w3.org/Signature/

http://www.w3.org/Encryption/2001/

http://www.oasis-open.org/committees/xacml

Open Document Format

Info from wikipedia.org

Open Document Format Mandated by Belgian Government

The Outlook for Digital Government

Other interesting

JLibrary - http://jlibrary.sourceforge.net/ Open Source Document Management System. Support for JCR; metadata / keywords generation by some text mining methods.