Possibility to open FFXIV up to a moddable UI?

[Lunar_Wind]

First off, its EULA.

He's talking about LUA the scripting language. Of particular note it's used to code World of Warcraft Add-Ons and UI mods, though it is certainly used for much more beyond that. Perhaps you should give your other forum members some credit before jumping on them. : )

Wikipedia Entry on LUA