FEBuilderGBA is an all in one editor for the GBA fire emblem games made by 7743.
It contains a lot of easy to use editors for character data, maps, events, music, and graphics.
The translation is still a work in progress.
How to Download: http://ngmansion.xyz/wiki/hackfe/index.php?解説/FEBuilderGBA/How to download FEBuilderGBA_EN
Click this button to get to the download screen.
Please report any bug you find, 7743 is actively trying to fix them.