It's mostly historical and inertia, I suspect; NextSTEP was built on top of Objective C and Mach. MacRuby, although very rough, is supported by Apple and may become viable.
After the very successful Aloha On Rails conference, there's renewed interest in fostering a weekly meeting. Check out http://groups.google.com/group/aloharb
The first Hawaii iPhone Developers Meetup
Presentation by Bruce Kim, CEO of UserLink
If you are interested in presenting please contact us.
Ikayzo will provide drinks and snacks.
Let's talk fitness, health and nutrition among IT workforces.
We can share our experiences, ask questions, find workout partners, get together for group workouts and simply help each other to stay motivated :)