Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Kamoso - Kamoso is a webcam recorder from KDE community.
MakeHuman - MakeHuman is a free, open source, interactive modeling tool for creating custom 3D human characters.
Webcamoid - Webcamoid is a full featured webcam capture application.
Bforartists - Bforartists is a fork of Blender.