Interface software that gives control on some RetroBat settings, aloows you to manage gamelists and simplifies management of some systems (PS3, Xbox360, Steam…)batgui.exe is already available at the root of your RetroBat installation.
Tool that tricks Windows into thinking your controller is an XInput controller. Useful if you own a non-XInput gamepad.
Symbolic Links allow you for example to store your games ROM in a different folder as the standard one. This tool is used to add Symlink options to the Windows context menu.
Tutorial here or in the wiki here