Matroska aims to become the standard of multimedia container formats. It is based on EBML (Extensible Binary Meta Language), a binary derivative of XML. EBML enables the Matroska Development Team to gain significant advantages in terms of future format extensibility, without breaking file support in old parsers. libebml is a C++ library to read and write EBML files.

get_iplayer lists, searches and records BBC iPlayer TV/Radio, BBC Podcast programmes. Other third-party plugins may be available. get_iplayer has three modes: recording a complete programme for later playback, streaming a programme directly to a playback application, such as mplayer; and as a Personal Video Recorder (PVR), subscribing to search terms and recording programmes automatically. It can also stream or record live BBC iPlayer output.

Open Broadcaster Software provides a graphical interface for video recording and live streaming. OBS supports capturing audio and video from many input sources such as webcams, X11 (for screencasting), PulseAudio, and JACK.

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.

libass is a subtitle rendering library for the ASS/SSA (Advanced Substation Alpha/SubStation Alpha) subtitle format.

Frei0r is a minimalistic plugin API for video effects. The main emphasis is on simplicity for an API that will round up the most common video effects into simple filters, sources and mixers that can be controlled by parameters. Frei0r wants to provide a way to share these simple effects between many applications, avoiding their reimplementation by different projects. It counts more than 100 plugins.

rav1e is an AV1 video encoder. It is designed to eventually cover all use cases, though in its current form it is most suitable for cases where libaom (the reference encoder) is too slow.

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 OBS plugin allows a Looking Glass video feed to OBS as a video source with the included OBS plugin. This provides a lower-latency alternative to capturing the Looking Glass client window with a Screen or Window Capture source.

This may help improve your viewers watching experience, and allows you to use your host privately.

Youtube-viewer searches and plays YouTube videos in a native player. It comes with various search options; it can search for videos, playlists and/or channels. The videos are streamed directly in a selected video player at the best resolution (customizable) and with closed-captions (if available). Both command-line and GTK2 interface are available.

TSLib is a cross-platform library that provides access to touchscreen devices and the ability to apply filters to their input events.

ytcc is a command line tool to keep track of your favorite playlists.

Libdvdnav is a library for developers of multimedia applications. It allows easy use of sophisticated DVD navigation features such as DVD menus, multiangle playback and even interactive DVD games. All this functionality is provided through a simple API which provides the DVD playback as a single logical stream of blocks, intermitted by special dvdnav events to report certain conditions. The main usage of libdvdnav is a loop regularly calling a function to get the next block, surrounded by additional calls to tell the library of user interaction. The whole DVD virtual machine and internal playback states are completely encapsulated.

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

This is a plugin to streaming to multiple RTMP servers concurrently. It's able to share encoders with main output of OBS to save CPU power. It can also use standalone encoders with basic configuration (bitrate).

liba52 is a library for decoding ATSC A/52 audio streams. The A/52 standard is used in a variety of applications, including digital television and DVD. It is also known as AC-3.

Schroedinger is a project implementing the Dirac video codec in ANSI C code. It is meant to be highly optimized and portable. It is developed as a joint effort between the BBC and Fluendo.

The v4l-utils provide a series of libraries and utilities to be used for realtime video capture via Linux-specific APIs.

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

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

VLC is a cross-platform multimedia player and framework that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols.

MPlayer is a movie player. It plays most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files. One can watch VideoCD, SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.

Attempt to archive a given Youtube livestream from the start. This is most useful for streams that have already started and you want to download, but can also be used to wait for a scheduled stream and start downloading as soon as it starts.

Libmpeg3 decodes MP2, MP3, AC3, MPEG-1 video, MPEG-2 video, and DVD footage in a single library. It supports many esoteric features like parallel video decoding, frame-accurate editing, YUV 4:2:2, and ATSC transport stream decoding