Lunar - The BlackBerry Preservation Project

To sync your BlackBerry with your PC and install application files, there are various tools you can use.

BlackBerry OS

BlackBerry Desktop - Generally good to have, allows you to connect the BlackBerry device to the PC.

BBSAK - The absolute best way to manage your classic BBOS device. To install application files, open BBSAK, press Modify CODs, then press Install COD.

BlackBerry 10

Application Manager - Tool for Windows and Mac that enables the transfer of BAR applications to BB10 devices.

Darcy's BB Tools - Alternative to the App Manager.