[ambulatorybird]

LÖVE (http://love2d.org/) -- a 2d game library for Lua. It's simple, easy to use, cross-platform, and allows for convenient distribution of finished products.

(It's not really popular or trendy, but I think it's cool and I like it a lot.)

[cmars232]

Thanks for new shiny thing! This does look cool.. what a great excuse for learning Lua!