Avidemux
Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. Tasks can be automated using projects, job queue and powerful scripting capabilities. It supports most video formats like DVD, VOB, AVI, WMV, MPG, MP4, AVI, MOV, MKV, DV, FLV and codecs like H.264/AVC, H.265/HEVC, MPEG4 ASP(DivX, XviD), MPEG2, MJPEG, HUffYUV, PNG, YV12.
Software License
Free software / FOSS (Free download and also Free and Open Source Software)