WPtools

Windows phone tools!!!1 (lumia phones only)

drivers

Windows phone drivers (needed for basically everything)

Programs

WPinternals (needed for flashing and all that fun stuff)

WDRT (needed to get thor2 for unbricking)

Windows Phone 8.1 SDK lite

Files

FFU files (needed for unlocking bootloader)

DO NOT USE EMERGENCY FILES FROM LUMIAFIRMWARE

Emergency files (needed for unlocking bootloader)

SBL3 files (needed for mass storage mode)