OPLE The ONIX-PL EditorFrancis Cave EDItEUROPLE requirements Support creation of ONIX-PL expressions of licenses Support design of “standard” templates to express the content of “model” licenses, or groups of licenses with very similar terms Support different types of use / user template design license completion license authorisationOPLE design principles Free Open Source Software Web-based standard web browser server-based software Configurable to meet the varying needs of different ONIX-PL implementations Driven by the ONIX-PL schemaOPLE development Open Source platform Apache Tomcat eXist XML database management system Orbeon dynamic XML forms engine Development by Alex Brown customisation of Orbeon Java and XPL Francis Cave user interface design XForms and XSLTCurrent OPLE implementation JISC Collections Template designer Template viewer Web demonstrator