SeasideXUL is a web framework that enables to create thin-client desktop applications with standard look&feel based on remote XUL in Smalltalk.

It is an additional layer on top of Seaside web framework.

SeasideXUL supports OmniBrowser based tools so whole Smalltalk IDE is available.

Monticello repository: http://www.squeaksource.com/SeasideXUL.html