Below is a curated list of available resources for broadcast operations.

Clocks & Studio Screens

  • OnAirScreen – Cross-platform “OnAir Lamp” solution targeted for use in professional broadcast environments.
  • PiClock – Customisable network based displays of clocks, on-air, mic live and other studio indicators.
  • PiRSClock-Full – Radio Studio Clock with studio indicators for mics, telephones etc.


  • FLAC – Free Lossless Audio Coding, used by some broadcasters for audio exchange, storage.
  • Lame – A high quality MPEG Audio Layer III (MP3) encoder.
  • opencore-amr – Audio codecs extracted from Android Open Source Project, including AAC.
  • Opus – A totally open, royalty-free, highly versatile audio codec.
  • Turing Codec – An H.265/HEVC open source software encoder designed for fast and efficient video compression.
  • TwoLame – An MPEG Audio Layer 2 (MP2) encoder.

Companion Screens

  • dial-discovery-ios – A library for the discovery of devices via the DIAL protocol on the iOS platform.
  • dvbcss-synckit-ios – iOS libraries for companion screen applications that are synchronised frame-accurately to a TV.
  • dvbcss-synctiming – A system for measuring how accurately a TV or companion are synchronised.
  • pydvbcss – Implementation of the DVB Companion Screens and Streams protocols for synchronised media playback.

Connected TVs

  • Cross-Platform Authentication – CPA offers an open standard for associating any media device with an online identity.
  • HbbPlayer – An HbbTV and W3C specifications compliant application that can playback media from a URL.
  • TAL – The TV Application Layer (TAL) is an open source library for building applications for Connected TV devices.

Distributed Media Processing

  • StormCV – Apache Storm + OpenCV = large scale distributed image and video analysis.


  • Kronekeeper – A web based application for recording and managing Krone frame records.

DVB & WiFi

  • DTT 2 IP – Broadcast to IP conversion for Wifi indoor coverage.
  • DVB Inspector – An open-source DVB analyzer.
  • DVBlast – A simple and powerful MPEG-2/TS demux and streaming application.
  • dvbshout – Tool to send DVB audio to a shoutcast server or a RTP stream.
  • Opencaster – A free and open source MPEG2 transport stream data generator and packet manipulator.
  • Project X – DVB demux tool.
  • ts2mpa – Simple tool to extract MPEG Audio from a MPEG Transport Stream (TS).
  • TSDuck – Extensible toolkit for MPEG/DVB transport streams testing, monitoring, integration, debugging, and more.
  • WiFiBroadcast – Analog-like transmission of live video data.

Animation, Graphics & Video Playout

  • Aurena – A network distributed media playback system.
  • Blender – 3D creation suite supporting 3D modelling, animation, motion tracking, video editing, and more.
  • CasparCG – A professional graphics and video play-out software, proven in 24/7 broadcasts since 2006.
  • ffplayout – Python and FFmpeg based playout from folder or playlists.
  • Macadam – Blackmagic Node.js bindings that support HTML/CSS (via Electron) and SVG (via Sevruga) graphics.
  • Nebula – Media asset management and broadcast automation system.
  • Open Playout Automation – A CasparCG-based MCR play-out system.
  • ossia – A free and open-source intermedia sequencer.
  • Sofie – TV Automation – MOS-driven automation system for news casts, with many libraries for e.g. device control.

Hybrid Radio


Audio/Video over IP & Streaming

  • butt – broadcast using this tool (butt) is an easy to use, multi OS streaming tool. It supports SHOUTcast and Icecast.
  • Cool Mic – Android audio livestreaming Icecast source client app.
  • DarkIce – Live audio streamer that records and encodes from an audio interface and sends to a streaming server.
  • EBU LIST – Live IP Software Toolkit to assist EBU members in the implementation of IP based facilities.
  • Icecast – Streaming media (audio/video) server which supports Ogg (Vorbis and Theora), Opus, WebM and MP3.
  • IRIS Broadcast – A project founded in Sweden to publish Open Source software for professional radio broadcasts.
  • Kamailio – Open SIP server, commonly used for Audio contribution over IP using SIP (EBU ACIP).
  • See the NMOS list for the AMWA Networked Media Open Specifications and open source implementations and tools.
  • OpenOB – Open Outside Broadcast project for radio contribution links and studio-transmitter links based on Opus.
  • PJSIP – Open Source multimedia library implementing SIP, SDP, RTP, STUN, TURN, and ICE.
  • trx – A simple toolset for broadcasting live audio from Linux.

Media Players

  • Dash.js – A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
  • GPAC – Multimedia player, packager and tools.
  • IDJC – A GTK+ Shoutcast/Icecast client with two main media players.
  • Kodi – A software media player and entertainment hub for digital media.
  • Media4DPlayer – HTML5 player focused on accessibility.
  • MPD – A flexible, powerful, server-side application for playing music.
  • mpg123 – A fast console MPEG Audio Player and decoder library.
  • Mixxx – A free, open source DJ software.
  • Peaks.js – Browser-based audio waveform visualisation.
  • rx-player – HTML5/Javascript video player that supports MPEG-DASH and SmoothStreaming.
  • VLC – Simple, fast and powerful media player.


  • BMXlib – Library and utilities to read and write broadcasting media files. Primarily supports the MXF file format.
  • EBUCore – The Github for maintenance of the EBUCore schema.
  • jebu-core – Java port of EBU Tech 3293 EBU Core metadata, including the Audio Definition Model.
  • libadm – Audio Definition Model (ITU-R BS.2076) handling C++11 library.
  • libklvanc – C library for ancillary data extraction from SDI and SMPTE ST 2110-40 (CEA-708, AFD, SCTE-104, etc.).
  • MAJ API – Pure Java library for reading and writing MXF and AAF files.
  • SDPoker – CLI tool and library for testing SMPTE ST2110 SDP files.
  • TV-Anytime – The TV-Anytime schema github maintenance page.

Monitoring & Quality Control

  • BeaqleJS – A framework to create browser based listening tests for subjective audio quality assessment.
  • Jack Meter – Text console based DPM (Digital Peak Meter) for JACK.
  • JACK Meterbridge – A collection of graphical Audio meters for JACK (ballistics may be incorrect).
  • Jmeters – A collection of graphical audio meters for JACK, including VU, PPM and EBU R 128 Loudness meters.
  • LTC-tools – A collection of tools to handle Linear Timecode (LTC) and convert to MIDI Timecode (MTC).
  • MediaConch – Implementation checker, policy checker, & reporter for Matroska, FFV1, & PCM.
  • MediaInfo – A convenient unified display of the most relevant technical and tag data for video and audio files.
  • MXF Inspect – A Windows tool to display the internal structure of an MXF (Material eXchange Format) file.
  • Pi Audio Monitor – Audio Monitoring for Raspberry Pi, supports S/PDIF, AES3, AES67, Livewire and Ravenna.
  • Photon – Implementation of the SMPTE Interoperable Master Format (IMF) standard.
  • QCTools – Quality Control tools for video preservation to analyse digitized video files.
  • Rotter – Recording of Transmissions / Audio Logger for JACK.
  • silan – Audiofile silence analyzer.
  • SilentJack – Dead-air / Silence detector for JACK.
  • Sonic Visualiser – An application for viewing and analysing the contents of music audio files.
  • VMAF – Perceptual video quality assessment based on multi-method fusion.
  • Wisual – A web service for Visual Quality Assessment, which supports PSNR, SSIM, VQM, etc.

Multimedia content processing

  • AvTranscoder – FFmpeg/LibAV-based high-level API to re-wrap or transcode media, with bindings for Java and Python.
  • Beam Coder – Node.js native bindings to FFmpeg, with support for asynchronous processing via promises and streams.
  • Bento4 – Full-featured MP4 format and MPEG DASH C++ class library and tools.
  • Brave – Basic Real-time AV Editor – lets you preview, mix, and route live audio and video streams on the cloud.
  • Codem-isoboxer A small browser-based MPEG-4 (ISOBMFF) parser.
  • Dynamorse – IT swiss army knife – a Node-RED media pipeline builder, adding professional media processing nodes.
  • EBU ADM Renderer – Reference implementation of the EBU ADM Renderer (EBU Tech 3388)
  • FFmbc – FFmpeg customized for broadcast and professional usage.
  • FFmpeg – A cross-platform solution to record, convert and stream audio and video. Supports SMPTE ST 2110.
  • Flowblade – A multitrack non-linear video editor.
  • GStreamer – A library for constructing graphs of media-handling components.
  • Kelvinadon – Node.JS pure Javascript module for streaming MXF files to and from JSON.
  • KFR – Fast, modern C++ DSP framework, DFT/FFT, Audio resampling, FIR/IIR, Biquad, EBU R 128.
  • L-SMASH – A rigidly spec-compliant ISOBMFF library, which has full DASH muxing support.
  • LibAV – Open source audio and video processing tools.
  • libbw64 – Header-only Broadcast Wave 64 (ITU-R BS.2088) C++11 library.
  • libear – A C++11 library to render ADM content according to Recommendation ITU-R BS.2127.
  • Libebur128 – A library that implements the EBU R 128 standard for loudness normalisation.
  • Loudness Validator – A set of applications to analyse, visualise and correct the loudness.
  • MP4Box.js – JavaScript library to process MP4 files in the browser (and in NodeJS).
  • MXFLib – A multi-platform C++ library for reading and writing MXF files.
  • OBS-Studio – Software for live streaming and screen recording.
  • Open Broadcast Encoder – Broadcast encoder built from Open Source components.
  • rgain – Tools and Python library to read, write and calculate Replay Gain.
  • rtmp – Server implementation of Adobe’s RTMP 1.0 protocol in Go.
  • Snowmix – Live Video Mixer.
  • SoX – The Swiss Army knife of sound processing programs.
  • TuttleOFX – An open source image processing framework based on OpenFX plugin standard.
  • UPipe – Primarily designed to be the core of a multimedia player, transcoder or streamer.
  • VideoContext – Experimental HTML5/WebGL library for creating interactive and responsive web videos.
  • Voctomix – Customizable conference recording/mixing/streaming software based on Python and GStreamer.

Network & Storage Testing

  • BBC Media Storage Meter – An application for the testing of network attached (professional media) storage.
  • Fio – Flexible I/O Tester
  • iPerf3 – The TCP, UDP and SCTP network bandwidth measurement tool.
  • SMPTE 2110-20 Analyzer – Analyzer to inspect network packets generated in accordance with SMPTE ST 2110.


The Networked Media Open Specifications are themselves open source.

  • AMWA NMOS Testing Tool – Automated test suites for the AMWA NMOS family of specifications, as used in the JT-NM Tested programme
  • BBC NMOS Joint Reference Implementation – A Vagrant provisioning to build 4 virtual machines, an IS-04/IS-05 Node, IS-04 Registry, BCP-003-02 Authorisation Server, and the NMOS Testing Tool.
  • Easy-NMOS – A starter kit that allows the user to launch a simple NMOS setup with minimal installation steps, composed of three Docker containers: an NMOS Registry, a virtual NMOS Node, and the AMWA NMOS Testing Tool.
  • nmos-cpp – An implementation of the AMWA Networked Media Open Specifications in C++, including an NMOS Registry and a toolkit and example of building an NMOS Node.
  • nmos-js – A simple browser-based NMOS Client/Controller with an IS-04 Registry browser and IS-05 Connection Management.

Radio Production

  • Airtime – Radio management application for remote broadcast automation (via web-based schedule).
  • Ardour – A digital audio workstation.
  • Audacity – Cross-platform software for recording and editing sounds.
  • AzuraCast – A self-hosted web radio management suite.
  • LibreTime – Radio broadcast & automation platform (fork of Airtime).
  • Liquidsoap – A Swiss army knife for multimedia streaming (documentation).
  • OpenBroadcaster Open Source LPFM IPTV Broadcast Automation. Server and Player code here.
  • RAAR – A ruby application to manage and browse an audio archive.
  • Rivendell – Complete radio broadcast automation solution, translated to many languages and used worldwide.

Software-defined radio

  • GNU Radio – A software development toolkit that provides signal processing blocks to implement software radios.
  • Gqrx SDR – An open source software defined radio receiver (SDR).
  • ODR-mmbTools – Fork of CRC-mmbTools. Adds live, DAB+, associated data, distributed infrastructure, SFN.
  • rtl-sdr – Turns a Realtek RTL2832 based DVB dongle into a SDR receiver.
  • – An open source DAB and DAB+ software defined radio (SDR) with support for airspy and rtlsdr.


Video Production

  • MIDIMonster – Lightweight adapter tool for common show control protocols.
  • MOS-connection – A JavaScript library for connection and MOS messaging either as MOS device or NRCS.
  • Open Lighting Architecture (OLA) – Travel adaptor for the lighting industry, for interconnecting DMX-512, IP and USB.
  • Q Light Controller+ (QLC+) – Cross-platform control of DMX or analogue lighting systems (heads, dimmers, etc.).
  • Teleprompter – Web browser and standalone Electron app prompter.


  • Owncast – Selfhosted video streaming plattform (
  • Shoutcast – SHOUTcast DNAS is cross-platform proprietary software for streaming media over the Internet. The software, developed by Nullsoft, is available free of charge.
  • – cheap SHOUTcast and Icecast servers with some great extras including free streaming for non-profit organizations.


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