FBI is an open source file and title manager by Steveice10 for the Nintendo 3DS.

Changes:

* 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.

http://gbatemp.net/threads/release-fbi-open-source-cia-installer.386433/