|Game||Final Fantasy III|
|OS||Mac OS X|
|Release Date||11 June 2016|
|Last Modified||26 February 2017|
This is FF6Tools - a ROM editor for OS X. It has a map/event editor and a battle/monster editor, as well as tools to edit a lot of other game data.
It can edit the FF3us and FF6j ROM as well as the (U) GBA ROM but not all SNES features are implemented for the GBA yet.