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).
Rosary Web Toolkit (RWT) is an ajax framework with event-driven programming. RWT is implemented by javascript language with the ajax technology. RWT now is the concept to write web pages in different ways from other ajax frameworks.