MSI Afterburner - Tool to manage video cards. Shows video card stats (temp, GPU usage, etc.).
Dxtory - Tool to display FPS in video games, make screenshots, record videos.
ASUS GPU Tweak - ASUS GPU Tweak fully implements TechPowerUp’s GPU-Z analysis and monitoring features.
Droplr - Droplr is a tiny application that aims at helping people share things easier.
Guru3D - Guru of 3D: PC Hardware Reviews and tests
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.