MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
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
Webcamoid - Webcamoid is a full featured webcam capture application.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Kamoso - Kamoso is a webcam recorder from KDE community.