ManyCam is a freeware program that adds live CGI graphics such as glasses or hats to a webcam's output that automatically tracking face movements along with many other features. The name of the software is derived from its feature allowing users to use their webcam with multiple Windows or Mac applications simultaneously. It also supports dynamic and static virtual backgrounds, text over video, and drawing over video. In version 2.3, virtual 3D masks were added. ManyCam can also use the desktop as a video source along with videos and many other types of sources.