OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Contentflow - Live Streaming Software
Guru3D - Guru of 3D: PC Hardware Reviews and tests
Lightstream - Powerful, cloud-based live streaming studio.
Geforce Experience - GeForce Experience is a new application from NVIDIA that optimizes your PC in two key ways.