Kdenlive is a free and open-source video editing software based on the MLT Framework, KDE and Qt. The project was started by Jason Wood in 2002, and is now maintained by a small team of developers. With the release of Kdenlive 15.04.0 in 2015 it became part of the official KDE Projects suite. Kdenlive packages are freely available for Linux, FreeBSD, and Microsoft Windows.

NOTE: This is only to provide appimages, I am not the developer.