SparkoCam - SparkoCam is an all in one web camera supporting software that however has been made for the Canon based cameras but can support for various other cameras as well.
ManyCam - ManyCam is one of the most popular solutions for integrating a variety of web cameras through one program, or a single webcam through many different programs. Read more about ManyCam.
Altercam - Along with the functions of supporting ay video camera and then the availability of various video effects, AlterCam is a web cam supporting application that support for the both real and virtual video cameras.
SplitCam - SplitCam webcam software. Official site of SplitCam video splitting and webcam video effects software. Latest version of SplitCam download for free.
PTP Webcam - Turn DSLR Cameras into a webcam
WebcamMax - Add videos, pictures and effects to virtual/real webcam and broadcast on messengers. It works on all webcam programs and thousands of effects are available. You can share your screen or play movies for others.