Webcamoid - Webcamoid is a full featured webcam capture application.
piZap - Free online photo editing software.
Kamoso - Kamoso is a webcam recorder from KDE community.
Photoshop.com - Photoshop.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.