Picture/Video capture programs
cheese
Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share the fun with others.
Cheese uses GStreamer to apply fancy effects to photos and videos. With Cheese it is easy to take photos of you, your friends, pets or whatever you want and share them with others. After the success of the Summer of Code, the development continued and we still are looking for people with nice ideas and patches ;)
Camorama Webcam Viewer
sudo apt-get install camorama
GTK+ base UVC Viewer
It has a clean, intuitive design that makes it very easy to use, and gives excellent results each time.