Lua ( of all things ? )
It's small quick and runs on Windows ... versus Node.js ?
Any good applications, that is the key. Identify killer apps.
http://www.lua.org/about.html
http://www.lua.org/uses.html - software products using Lua
http://www.lua.org/pil/contents.html - Programming in Lua
http://en.wikipedia.org/wiki/Lua_%28programming_language%29
http://en.wikipedia.org/wiki/Category:Lua_%28programming_language%29
http://en.wikipedia.org/wiki/Category:Lua-scriptable_software
LuaJIT
http://luajit.org/luajit.html - stable ?
See
http://lua.gts-stolberg.de/en/ - Lua for Beginners
http://lua-users.org/wiki/ - Excellent Wiki
http://en.wikipedia.org/wiki/Torch_%28machine_learning%29 - deep learning ?