Audio over IP

  • Kamailio - Open SIP server. Commonly used SIP server for Audio contribution over IP using SIP (EBU ACIP).
  • PJSIP - Open Source multimedia library implementing SIP, SDP, RTP, STUN, TURN, and ICE. Used in some contribution equipment (dual licensing).
  • OpenOB - Open Outside Broadcast project for radio contribution links and studio-transmitter links based on Opus.


  • Opus - Opus is a totally open, royalty-free, highly versatile audio codec.
  • FLAC - FLAC Free Lossless Audio Coding. Used by some broadcaster for audio exchange, storage.
  • Lame - Lame, high quality MPEG Audio Layer III (MP3) encoder. (Warning, MP3 is not royalty free!).
  • TwoLame - TwoLame, MPEG Audio Layer 2 (MP2) encoder.
  • Turing Codec - Turing codec, an H.265/HEVC open source software encoder designed for fast and efficient video compression.

Companion Screens

  • dvbcss-synctiming - dvbcss-synctiming is a system for measuring how accurately a TV or companion are synchronised.
  • pydvbcss - pydvbcss is library implementing the DVB Companion Screens and Streams protocols for accurately synchronising media playback between TVs and companions.

Connected TVs

  • Cross-Platform Authentication - CPA offers an open standard for associating any media device with an online identity.
  • HbbPlayer - An HbbTV application which can playback media from a URL. Conforms to HbbTV and W3C specifications.
  • 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.

DVB & WiFi

  • DTT 2 IP - Broadcast to IP conversion for Wifi indoor coverage.
  • DVB Inspector - DVB Inspector is an open-source DVB analyzer.
  • DVBlast - DVBlast is a simple and powerful MPEG-2/TS demux and streaming application.
  • dvbshout - Send DVB audio to a shoutcast server or a RTP stream.
  • Opencaster - OpenCaster is a free and open source MPEG2 transport stream data generator and packet manipulator.
  • Project X - DVB demux tool.
  • WiFiBroadcast - Analog-like transmission of live video data.

Animation, Graphics & Video Playout

  • Aurena - Aurena is a network distributed media playback system.
  • Blender - 3D creation suite supporting 3D pipeline—modelling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.
  • CasparCG - CasparCG is a professional graphics and video play-out software, proven in 24/7 broadcasts since 2006.
  • i-Score - A free and open-source intermedia sequencer.

Hybrid Radio

Media Players

  • Dash.js - A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
  • Kodi - A software media player and entertainment hub for digital media.
  • Media4DPlayer - HTML5 player focused on accessibility.
  • Peaks.js - Browser-based audio waveform visualisation.
  • VLC - Simple, fast and powerful media player.
  • GPAC - Multimedia player, packager and tools.
  • rx-player - HTML5/Javascript video player with some reactive programming inside, supporting MPEG-DASH and SmoothStreaming transports.


  • 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 - EBUCore XML Schema Java port. Java port of TECH 3293 EBU CORE METADATA SET (EBUCore) SPECIFICATION v. 1.5, including new Audio Definition Model.
  • Ledger - Node.js implementation of the NMOS registration and discovery specifications.
  • MAJ API - Pure Java library for reading and writing MXF and AAF files.
  • TV-Anytime - The tv-anytime schema github maintenance page.

Multimedia content processing

  • AvTranscoder - Based on FFmpeg/LibAV libraries to support various video and audio formats, avTranscoder provides the high level API to re-wrap or transcode media easily. It also provide bindings for any usage in Java or Python.
  • Bento4 - Full-featured MP4 format and MPEG DASH C++ class library and tools.
  • 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.
  • FFmpeg - A complete, cross-platform solution to record, convert and stream audio and video.
  • FFmbc - FFmpeg customized for broadcast and professional usage.
  • Flowblade - A multitrack non-linear video editor.
  • GStreamer - A library for constructing graphs of media-handling components.
  • KFR - Fast, modern C++ DSP framework, DFT/FFT, Audio resampling, FIR/IIR, Biquad.
  • L-SMASH - A rigidly spec-compliant ISOBMFF library, which has full DASH muxing support.
  • LibAV - Open source audio and video processing tools.
  • 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.
  • Photon - Implementation of the SMPTE Material Exchange Format (MXF) file specification.
  • Snowmix - Live Video Mixer.
  • SoX - The Swiss Army knife of sound processing programs.
  • TuttleOFX - TuttleOFX is an open source image processing framework based on OpenFX plugin standard.
  • UPipe - Upipe is primarily designed to be the core of a multimedia player, transcoder or streamer.

Network & Storage Testing

  • BBC Media Storage Meter - An application for the testing of network attached storage, originally assumed to be used for the streaming of professional media.
  • SMPTE 2210-20 Analyzer - An analyzer to inspect network packets generated in accordance with the SMPTE ST 2110 specification.

Quality Control

  • BeaqleJS - BeaqleJS provides a framework to create browser based listening tests for subjective audio quality assessment.
  • MediaConch - Implementation checker, policy checker, & reporter for Matroska, FFV1, & PCM.
  • MediaInfo - MediaInfo provides 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.
  • QCTools - Quality Control tools for video preservation to analyse digitized video files.
  • 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.

Radio Production

  • Audacity - Cross-platform software for recording and editing sounds.
  • Airtime - Radio management application for remote broadcast automation (via web-based schedule).
  • Liquidsoap - A Swiss army knife for multimedia streaming (documentation).
  • Rivendell - Complete radio broadcast automation solution, translated to many languages and used worldwide.

Software-defined radio

  • ODR-mmbTools - Fork, continuation of CRC-mmbTools. Adding new features for 24/24 365/365 live operation, DAB+, associated data (slideshow, text), distributed infrastructure, SFN.



Various resources, such as books, websites and articles, for improving your skills and knowledge.



Useful broadcasting related websites.

  • - A platform for agile collaboration.