MKVToolNix provides tools for getting information about Matroska files (mkvinfo), extracting tracks/data from Matroska files (mkvextract), and creating Matroska files from other media files (mkvmerge).

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. It includes the libavcodec audio/video codec library.

Pitivi is a video editor built upon the GStreamer Editing Services. It aims to be an intuitive and flexible application that can appeal to newbies and professionals alike.

Vidstab is a video stabilization library which can be used with FFmpeg. A video acquired using a hand-held camera or a camera mounted on a vehicle typically suffers from undesirable shakes and jitters. Activities such as surfing, skiing, riding and walking while shooting videos are especially prone to erratic camera shakes. Vidstab targets these video contents to help create smoother and stable videos.

This OBS plugin provides a stroke, glow and shadow effect when applied to an OBS source. It's often used with the Advanced Mask plugin to place drop shadows on sources, such as a webcam.

Motion is a program that monitors the video signal from one or more cameras and is able to detect if a significant part of the picture has changed. Or in other words, it can detect motion.

Subdl is a command-line tool for downloading subtitles from opensubtitles.org. By default, it will search for English subtitles, display the results, download the highest-rated result in the requested language and save it to the appropriate filename.

OBS Advanced Masks is a project designed to expand the masking functionalities within OBS Studio. This plug-in provides filters for users to create intricate and customized masks for their OBS Scenes and Sources.

• Advanced Masks provides both Alpha Masking and Adjustment Masking.

• Shape masks allow for dynamically generated Rectangle, Circle, Elliptical, Regular Polygon, Star, and Heart shaped masks, with many adjustable parameters.

• Source Masks allow an existing OBS source to be used as a mask, using any combination of the red, green, blue, or alpha channels from said source.

• Image Masks include all of the same functionality as Source Masks, but applied via a static image (.png, .jpeg, etc).

• Gradient Masks allow a fading mask using a user-specified gradient.

libbluray is a library designed for Blu-Ray Disc playback for media players, like VLC or MPlayer.

This kernel module implements a basic interface to the IVSHMEM device for Looking Glass.

yt-dlp is a small command-line program to download videos from YouTube.com and many more sites. It is a fork of youtube-dl with a focus on adding new features while keeping up-to-date with the original project.

Gavl is short for Gmerlin Audio Video Library. It is a low level library, upon which multimedia APIs can be built. Gavl handles all the details of audio and video formats like colorspaces, sample rates, multichannel configurations, etc. It provides standardized definitions for those formats as well as container structures for carrying audio samples or video images inside an application.

In addition, it handles the sometimes ugly task of converting between all these formats and provides some elementary operations (copying, scaling, alpha blending etc).

This package provides tools to search for YouTube videos, channels and playlists; as well as getting video metadata from links. This package does not rely on the YouTube Data API v3.

FFmpegthumbnailer is a lightweight video thumbnailer that can be used by file managers to create thumbnails for your video files. The thumbnailer uses ffmpeg to decode frames from the video files, so supported videoformats depend on the configuration flags of ffmpeg.

SMPlayer is a graphical user interface (GUI) for MPlayer, which is capable of playing almost all known video and audio formats. Apart from providing access for the most common and useful options of MPlayer, SMPlayer adds other interesting features like the possibility to play Youtube videos, download subtitles, remember the last played position, etc.

This package provides a Go-based command line application to download videos from Austria's national television broadcaster.

Celluloid is a simple GTK+ frontend for the mpv media player. It interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.

SVT-AV1 is an AV1 codec implementation. The encoder is a work-in-progress, aiming to support video-on-demand and live streaming applications with high performance requirements. It mainly targets Intel-compatible CPUs (x86), but has limited support for other architectures.

OpenShot Library (libopenshot) is a powerful C++ video editing library with a multi-threaded and feature rich video editing API. It includes bindings for Python, Ruby, and other languages.

L-SMASH is a cross-platform library that handles the ISO base media file format and some of its derived file formats, including MP4. It operates as a multiplexer and demultiplexer, and can mux video and audio in several formats using standalone executable files.

This program normalizes media files to a certain loudness level using the EBU R128 loudness normalization procedure. It can also perform RMS-based normalization (where the mean is lifted or attenuated), or peak normalization to a certain target level. Batch processing of several input files is possible, including video files.

This package provides the GameStream code shared between Moonlight clients.

MediaInfo is a utility used for retrieving technical information and other metadata about audio or video files. It supports the many codecs and formats supported by libmediainfo.

AtomicParsley is a lightweight command line program for reading, parsing and setting metadata into MPEG-4 files, in particular, iTunes-style metadata.