OpenShot

OpenShot is a free, open-source, non-linear video editor for Linux.

http://www.openshotvideo.com/

Install

http://www.openshot.org/ppa/

Uses

Kdenlive Alternative

If Kdenlive does not show real-time preview of the video while editing it (See this sync problem), you can use OpenShot.

Razor Tool

The Razor Tool is not always working if it is used with the mouse. Instead just press "C" to cut - this is working always.