Shotcut -

Free and open-source, Shotcut is a cross-platform video editor supporting myriad formats with native editing, multi-format timelines, and precise seeking. It offers versatile resolution supports, capturing options up to 4k, and extensive platform integration through various capture and monitoring services.

Subler -

Subler is a Mac OS X application that opens media containers, allows you to add or remove media tracks inside them, and then saves them out again. In the specialized language of the video world, Subler is a “transcoder” or “demuxer” depending on how you use it.

Infuse -

Ignite your video content with Infuse – the beautiful way to watch almost any video format on your iPhone, iPad, and Apple TV. No need to convert files! Infuse is optimized for iOS 12, with powerful streaming options, trakt sync, and unmatched AirPlay & subtitle support.