Video Editing Software List
Free and open-source
Avidemux (Linux, FreeBSD, OS X, Windows)
AviSynth (Windows)
Blender VSE (Linux, FreeBSD, OS X, Windows)
Cinelerra (Linux)
Kdenlive (Linux, FreeBSD, OS X)
Kino (Linux, FreeBSD)
LiVES (BSD, IRIX, Linux, Solaris)
Lumiera (Linux)
Natron (Linux...