OpenShot video editor is an open-source video editor for Linux but also available for Windows and Mac, it is free and released under GNU GPL 3 license. Using OpenShot video editor you can create a film with your videos, photos, and audio tracks that you have always thought of. It lets you add transitions, effects, and sub-titles, and you can export to DVD, YouTube, Video, and many other common formats.

Source: OpenShot 2.0.x Crowd Funded Video Editor Available for Ubuntu/Linux Mint – NoobsLab