MSI Afterburner - Tool to manage video cards. Shows video card stats (temp, GPU usage, etc.).
Razer Cortex - A free all-in-one software which gives you the best gaming experience, featuring best gaming deals, PC and Mobile Game Booster, and more!
Guru3D - Guru of 3D: PC Hardware Reviews and tests
Kill Ping - Kill Ping is an online gaming application which reduces high ping and packet loss eliminating lag. Kill Ping is a fix for LoL lag, WoW lag, Dota 2 lag, CS:GO lag, Overwatch lag, Battleborn lag and Doom 4 lag etc.
ASUS GPU Tweak - ASUS GPU Tweak fully implements TechPowerUp’s GPU-Z analysis and monitoring features.
WTFast - Play any online game from anywhere with a smoother connection and lower ping time. wtfast gives your fave games a VIP connection. Free trial available, too.