D9VK - A d3d9 to vk layer based off DXVK's codebase.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
DXVK - Vulkan-based D3D11 implementation for Linux / Wine
Geforce Experience - GeForce Experience is a new application from NVIDIA that optimizes your PC in two key ways.
Direct3D 9-to-11 - Direct3D 9 to Direct3D 11 converter.
Guru3D - Guru of 3D: PC Hardware Reviews and tests