QtCAM is described as 'is free open source linux camera application provide an easier user interface for both capturing and viewing video. It would also work with any V4L2 compatible device' and is an app in the Photos & Graphics category. There are four alternatives to QtCAM for Linux, BSD, Windows and Mac. The best alternative is Webcamoid, which is both free and Open Source. Other great apps like QtCAM are Cheese (Free, Open Source), GTK+ UVC Viewer (Free, Open Source) and MyCam (Freemium).
Webcamoid is a full web camera suite. You can take photos and record videos with funny effects. Features - Take pictures and record videos with the webcam. - Manages multiple webcams. - Written in C++/Qt. - Custom controls for each webcam.
Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share the fun with others. It was written as part of Googles 2007 Summer of Code lead by Daniel G. Siegel and mentored by Raphaël Slinckx.
Record videos and take pictures with your webcam, open image or video files and apply photo filters and video effects. Send created media files to mobile phone using Album feature and share with your friends, or scan QR code or bar-code or broadcast to a stream server.