pitivi (video editor)

Pitivi is a Free video editor with a beautiful and intuitive user
interface, a clean codebase and a fantastic community.

It uses the gstreamer media framework, so it has support for most
audio/video formats. It includes hundreds of animated effects,
transitions and filters.

The following optional dependencies are not currently available on SBo:
pycanberra - enable sound notification when rendering completes
GnomeDesktop - file thumbnails provided by GNOME's thumbnailers
notify - enables visual notifications when rendering is complete

NOTE: Please make sure python3-dateutil is installed before 
      building python3-matplotlib!