MKVToolNix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows.
https://mkvtoolnix.download/index.html
MKVToolNix 83.0 “Circle Of Friends”
Audio/Video Applications
XMedia Recode 3.5.9.2
XMedia Recode can convert almost all known audio and video formats.
https://www.xmedia-recode.de/en/
Kodi 20.5 “Nexus”
Kodi is an award-winning free and open source (GPL) software media player and entertainment hub that can be installed on Linux, OSX, Windows, iOS, tvOS and Android. It is designed around a “10-foot user interface” for use with televisions and remote controls.
Users can play and view most videos, music, podcasts, games and other digital media files from local and network storage media and the internet.
https://kodi.tv
XMedia Recode 3.5.9.1
XMedia Recode can convert almost all known audio and video formats.
https://www.xmedia-recode.de/en/
XMedia Recode 3.5.9.0
XMedia Recode can convert almost all known audio and video formats.
https://www.xmedia-recode.de/en/
Kodi 20.4 “Nexus”
Kodi is an award-winning free and open source (GPL) software media player and entertainment hub that can be installed on Linux, OSX, Windows, iOS, tvOS and Android. It is designed around a “10-foot user interface” for use with televisions and remote controls.
Users can play and view most videos, music, podcasts, games and other digital media files from local and network storage media and the internet.
https://kodi.tv
HandBrake 1.7.3
HandBrake is an open-source video transcoder available for Linux, Mac, and Windows. Everyone can use HandBrake to make videos for free.
HandBrake takes videos you already have and makes new ones that work on your mobile phone, tablet, TV media player, game console, computer, or web browser—nearly anything that supports modern video formats.
HandBrake works with most common video files and formats, including ones created by consumer and professional video cameras, mobile devices such as phones and tablets, game and computer screen recordings, and DVD and Blu-ray discs. HandBrake leverages tools such as FFmpeg libavcodec and libavformat libraries, x264, x265, and svt-av1 to create new MP4, MKV, or WebM video files from these
https://handbrake.fr/docs/en/1.7.0/introduction/about.htmlSources.
MediaInfo 24.01.1
MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.
https://mediaarea.net/en/MediaInfo
Mp3tag v3.24 (32/64 bit)
Mp3tag is a powerful and easy-to-use tool to edit metadata of audio files.
It supports batch tag-editing of ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments and APE Tags for multiple files at once covering a variety of audio formats.
Furthermore, it supports online database lookups from, e.g., Discogs, MusicBrainz or freedb, allowing you to automatically gather proper tags and download cover art for your music library.
You can rename files based on the tag information, replace characters or words in tags and filenames, import/export tag information, create playlists and more.
https://www.mp3tag.de
Kodi 20.3 “Nexus”
Kodi is an award-winning free and open source (GPL) software media player and entertainment hub that can be installed on Linux, OSX, Windows, iOS, tvOS and Android. It is designed around a “10-foot user interface” for use with televisions and remote controls.
Users can play and view most videos, music, podcasts, games and other digital media files from local and network storage media and the internet.
https://kodi.tv