There are 3 repositories under nvdec topic.
Experimental VP9 codec support for vdpau-va-driver (NVIDIA VDPAU-VAAPI wrapper) and chromium-vaapi
An Unity example to send a desktop image to a remote PC using Desktop Duplication API and NVENC/NVDEC.
Compare NVIDIA Video Codec SDK's, PyAV's, and OpenCV's performance on video decoding.
ffmpeg static binaries for Linux that work on some old Nvidia gpu (not tested)
Utilities to print information about video encode/decode capabilities of nvidia GPUs