Though Vegas Pro has its own video effects and built-in plugin, the new plugin will make your experience more productive. If you want to make the best use of it, you must install plugins in your system.Ī plugin is an element of software whose function is to add new features/effects to an existing application. Earlier it was owned by Sony but now the owner of this video editing software is Magix Software GmbH. Sony (Magix) Vegas pro is a video editor designed for non-linear editing systems.