Michael Gebhart wrote:
> 
> And as Mono: Ruby has to be installed on the target OS.

Something to consider: there are Ruby tools that bundle-up a complete 
Ruby interpreter with an application such that the end user knows 
nothing about any of this "Ruby" stuff, they just run the app and enjoy 
the fruits of your labor.  The extraction and use of Ruby is invisible.

That may also be possible with Mono, but I believe the required mono 
runtime files are much larger.

James