Webcamoid - Webcamoid is a full featured webcam capture application.
Kamoso - Kamoso is a webcam recorder from KDE community.
GTK+ UVC Viewer - guvcview is a video viewer and capture software for the linux UVC driver.
MyCam - Record videos and take pictures with your webcam, open image or video files and apply with amazing photo filters and video effects.
wxCam - wxCam is a webcam application for linux.
Photo Booth - Photo Booth is a software application for taking photos and videos with an iSight camera.