eLML (eLesson Markup Language) is an XML framework for creating structured eLessons based on a pedagogical model. eLML consists of an XMLSchema and XSLT files to create XHTML, PDF, LaTeX, IMS CP and SCORM versions, standards supported by most LMS.
OSML is an XML Schema for building web content. Built as an event handler, OSML gives the ability to create and manage elements interactively. OSML is compatible with JAVA / XML technology and has been extremely tested with Cocoon 2 Framework.