Professional video editing software that is available for everyone, it has really advanced features that helped to edit even movies like 'Shutter Island' and 'Pulp Fiction.' Almost all the needed tools are available for free, however if you want to get resulting video in a definition higher than 720, you'd want to upgrade to paid version. It is one of the most powerful video editing software that can be used for 4K and television formats as well. However, it takes some time and learning curve to master this program. As soon as you get used to its linear workflow, you'll consider it really convenient to use. Available for Windows and Mac OS X.