There are 2 repositories under restir topic.
A Vulkan Raytracing framework for various bidirectional path tracing techniques
Experimental real-time renderer with support for dynamic global illumination
Real-time Direct3D 12 ray tracer
Vulkan implementation of Fast Volume Rendering with Spatiotemporal Reservoir Resampling.
CUDA ReSTIR Implementation [2022]
C++ implementation of ReSTIR on top of a Whitted-style software ray tracer