[awmartin]

The first advantage I see of Apple's support of Ruby is RubyOnRails developers may be able to create a Mac desktop auxiliary versions of their applications with less trouble (like Evernote: although I'm not sure if it's a Rails app, it does have desktop versions for Mac, Windows, and Linux fro offline use). Without Apple's support of Ruby, a company would of course need to hire Mac developers who know Objective-C.

I'm sure it's more complex than just that, but this does take down an entry barrier for me to developing for Macs. The next language on my list to learn is Python, so Objective-C was going to have to wait...

[Zev]

There's a PyObjC bridge as well: http://developer.apple.com/cocoa/pyobjc.html

[tlrobinson]

And now JavaScript: http://inexdo.com/JSCocoa

[Zev]

And Perl and Lua and Lisp and most other major languages: http://cocoadev.com/index.pl?CocoaBridges