NVIDIA binary driver-version 367.57 from nvidia-367(Proprietary,tested)
NVIDIA legacy binary driver-version 304.132 from nvidia-304(Proprietary)
NVIDIA binary driver-version 340.98 from nvidia-340(proprietary)
X.Org X server- Nouveau display driver from xserver-xorg-video-nouveau(open source)

UNknown: Unknown
Using Processor microcode firmware for intel CPUs from intel-microcode(proprietary)
Do not use this device

2 proprietary drivers in use