Steveice10 has released a new version of FBI which is an open source file and title manager for the 3DS.

Heres whats new:

2.4.6
Color tickets based on whether they are in use. Green means in use, red means not in use.
Fix acquisition of service access as a 3DSX.
Fix file operations being messed up when attributes cannot be read.
Fix use-after-free crash in bulk file operations that delete targets.
servefiles: Allow any extension when pointing directly to a single file.
servefiles: Other minor code improvements.

homepage --> https://github.com/Steveice10/FBI

source