The DUML project is 3 sub-projects: 1) Document Update Markup Language (DUML) which allows for updates of the DOM via server markup 2) Interpreted Application Markup Language (IAML) which provides markup based widgets. 3) A set of common libraries (JAS).
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.