I'd like to say this is very important news
because this is the first application for
Ruby/GTK2, and proved Ruby/GTK2 has already worked fine.
* What's rbbr?
rbbr (RuBy BRowser) is an application to browse
modules/classes hierarchy and their constants, methods,
properties and signals. If the optionally modules to
refer documents are installed, you can also refer the
document of methods in the browser.