Webcamoid - Webcamoid is a full featured webcam capture application.
DAZ 3D - Daz 3D, 3D Models, 3D Animation, 3D Software
Kamoso - Kamoso is a webcam recorder from KDE community.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.
MakeHuman - MakeHuman is a free, open source, interactive modeling tool for creating custom 3D human characters.