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

Features:

* Available as a CIA, 3DS, and 3DSX.
* Browse and modify SD, TWL photos, TWL sounds, save data, and ext save data.
* Browse and modify CTR NAND, TWL NAND, and system save data, and dump the raw NAND image to “sdmc:/NAND.bin”. (CIA/3DS ONLY)
* Delete, copy, and paste files and directories.
* Export, import, and delete save data secure values.
* Launch titles installed to the system. (CIA/3DS ONLY)
* Install and uninstall titles from a file system, over the network with sockfile, from a URL with a QR code, or from the CDN if you have the title’s ticket installed.
* Install and uninstall tickets from a file system, over the network with sockfile, or from a URL with a QR code.
* Browse and delete pending titles (downloaded updates, in-progress eShop titles, etc).
* Customize appearance by placing replacements for RomFS resources in “sdmc:/fbitheme/”.

Thanks to Nintendomax for the news.

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