Spark is a free cloud based application that empowers you to create creative social media Post, Pages and Videos with voice-over. It’s very easy to use and creating content is just a mouse click away. They even provide stock photos and royalty free music for the videos you create. Adobe has created a wonderful tool for producing online content. Because the application is cloud based, you can start a project on one computer and then reopen it on another or even on any of your devices.