piZap - Free online photo editing software.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
Photoshop.com - Photoshop.
Kamoso - Kamoso is a webcam recorder from KDE community.
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.
Webcamoid - Webcamoid is a full featured webcam capture application.