There are a multitude of them available from interface by default, a small set of utilities are included with ReShade: DisplayDepth, UIMask, LumaSharpen, SMAA and Depth-based stereo 3D effect. It works by processing frames and apply specific effects to them. Beautiful video and frame optimizations made easy It can apply a number of effects to graphics like color correction, depth of field effects and ambient occlusion.
ReShade is a post-processing injector which can be used with games and other software. ReShade is certainly an option to look into. For bigtime gamers, the ability to tweak and enhance gaming graphics is often a task that can be accomplished either in-game or with some tweaking applications.