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.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
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.
Shutter - Shutter is a feature-rich screenshot program.
SplitCam - SplitCam webcam software. Official site of SplitCam video splitting and webcam video effects software. Latest version of SplitCam download for free.
Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image