FelOsu is a little software made to allow to extract, rename and sort quickly and in a proper way the musics from osu! game.
This software is made for everyone who is bored to copy, rename and sort manually (because it takes a lot of time !).
No installation needed. It's only a standalone executable file.
If you want to contribute to this project, you are free to do it !
FelOsu is under GNU General Public Licence v3.