It's a robust compositing software, node based just like Nuke. And it is used in High End films from Avatar to Star Wars, Harry Potter, Superman, Spiderman, Ironman, X-Men, Game of thrones, James Bond films. you name it
These are just a few films, the list is long. But the question is not how many films, the question is do you want to join the professionals, and add the power of node based compositing to your workflow ... FOR FREE... yes BlackMagic did it again. It has bought the monster software from Eyeon and released it for free. What an opportunity? One you cannot afford to miss, because now you can it do it all in Davinci: editing, visual effects, Sound and color correction.