I am looking for a cross-platform GUI library that feels native across Mac/Win/Linux and has well maintained bindings in a language that is not C++ - an impossible task it seems.
http://www.adacore.com/gtkada/
http://compgroups.net/comp.lang.ada/gtkada-for-macos-x/14082...
Thanks for bringing it to my attention.
tl;dr: there's a great deal to like about it, but its quirks are very quirky.