QtCAM is e-con's open source Linux webcam software. This Qt Ubuntu camera software application provides easier user interface for capturing and viewing video from devices supported by Linux UVC driver. It would also work with any V4L2 compatible device.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
Cadbull - Cadbull is a website that comes with an advanced collection of CAD blocks and DWG design, facilitating architects and designers to get done with their projects efficiently.
Kamoso - Kamoso is a webcam recorder from KDE community.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Webcamoid - Webcamoid is a full featured webcam capture application.
RealityMAX - RealityMAX is the most powerful free 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.