AudioVideoEditing

Aegisub

A free, cross-platform open source tool for creating and modifying subtitles

Rodyti

Ciano

A multimedia file converter

Rodyti

EasyTAG

Edit audio file metadata

Rodyti

Gaupol

Editor for text-based subtitles

Rodyti

Gnome Subtitles

Video subtitling for the GNOME desktop

Rodyti

Kdenlive

Video Editor

Rodyti

Kid3

Edit audio file metadata

Rodyti

Kid3

Edit audio file metadata

Rodyti

MKVToolNix

Matroska files creator and tools

Rodyti

MediaInfo

Convenient unified display of the most relevant technical and tag data for video and audio files

Rodyti

MuseScore

Create, playback, and print sheet music for free

Rodyti

MusicBrainz Picard

MusicBrainz's music tagger

Rodyti

Pitivi

Create and edit your own movies

Rodyti

Shotcut

Video editor

Rodyti

Sound Converter

Converts audio files into other formats

Rodyti

Subtitle Editor

GTK+3 tool to edit subtitles for GNU/Linux/*BSD

Rodyti

Transmageddon Media Transcoder

Easy to use audio and video transcoding application

Rodyti

VidCutter

Media Cutter + Joiner

Rodyti