1. UN/EDIFACT: United Nations Directories for Electronic Data Interchange for Administration, Commerce and Transport, http://www.unece.org/trade/untdid/
2. ebXML: Electronic business XML - iso 15000 standard, http://www.ebxml.org/
3. UN/CCL: United nations core component library, http://www.unece.org/cefact/codesfortrade/codes_index.htm
4. UBL - OASIS: Universal Business Language Technical Committee, http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ubl
5. JADE: The java agent development framework, http://jade.tilab.com