Webcamoid - Webcamoid is a full featured webcam capture application.
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.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.
Bforartists - Bforartists is a fork of Blender.