Cheese
Open Source
Cheese is a GNOME webcam application.
Photo Booth
Commercial
Photo Booth is a software for taking photos and videos.
Yawcam
Free
Yawcam is short for Yet Another WebCAM software. The main ideas for Yawcam are to keep it simple and easy to use but to include all the usual features.
Compare GTK+ UVC Viewer with alternatives
Compare Cheese and GTK+ UVC Viewer and decide which is most suitable for you.
Compare Yawcam and GTK+ UVC Viewer and decide which is most suitable for you.
Compare Photo Booth and GTK+ UVC Viewer and decide which is most suitable for you.