SilhouetteFX is a 2 x Academy Award Winning rotoscoping and paint visual effects software built with Qt. It is the industry standard and has been used in hundreds of feature films, commercials and TV series.
Uses a variety of Qt modules and components: Qt Core, GUI, OpenGL, Concurrent, Xml, Network, Widgets and Qt for Python integration for adding custom tools. Silhouette FX is cross-platform and runs on Windows, Mac and Linux.
Visit www.Qt.io/download to get Qt.