I looked at th Python-C interfaces before (but never got around to doing the project) and while it may be some work it seems like it's very well documented. (There's an entire manual on python.org ...
Lua moves into top 20 of March’s TIOBE Index, Python retains top spot Your email has been sent The release of March’s TIOBE Index of the most popular programming languages saw a few notable changes ...
A Google Docs spreadsheet listing more than 100 applications developed with cross platform compilers. Not surprised to see most of them are crap. Learn Objective C, do yourself a favor.