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A curated list of amazingly awesome open source resources related to broadcast technologies

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[ Daily / Weekly / Overview ]

Nov 24, 2025

Clocks & Studio Screens

• OATIS (⭐3) - Server Based Studio Clock and Tally system, supporting messaging, physical GPI's and OSC triggering.

Codecs

• Turing Codec (⭐156) - An H.265/HEVC open source software encoder designed for fast and efficient video compression.

Connected TVs

• CPA Authorization Provider - Reference implementation for linking media devices with online identities (related repos here).

Control Systems

• BUG - Broadcast Universal Gateway - Control a wide range of broadcast and network equipment from your browser.

• Bitfocus Companion (⭐2k) - Enables the Elgato Streamdeck and other controllers to be a shotbox surface for an increasing amount of broadcast equipment.

DVB & WiFi

• DVBlast - A simple and powerful MPEG-2/TS demux and streaming application.

• Opencaster (⭐72) - A free and open source MPEG2 transport stream data generator and packet manipulator.

Animation, Graphics & Video Playout

• Blender - 3D creation suite supporting 3D modelling, animation, motion tracking, video editing, and more (overview here).

• Sofie - TV Automation (⭐405) - MOS-driven automation system for news casts, with many libraries for e.g. device control.

• StreamShapers - Ferryman (⭐17) - Web App to generate HTML-Graphics from Lottie.JSON files / from Adobe AfterEffects.

LiveIP

• 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 (⭐122) - 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 (⭐10) - 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.

• VideoIPath-Automation-Tool (⭐11) - A Python package for automating VideoIPath configuration workflows.

Media Players

• GPAC - Multimedia player, packager and tools.

• IDJC - A GTK+ Shoutcast/Icecast client with two main media players.

• Media4DPlayer (⭐4) - HTML5 player focused on accessibility.

• Mixxx - A free, open source DJ software.

• Peaks.js - Browser-based audio waveform visualisation.

• VLC - Simple, fast and powerful media player.

Metadata

• BMXlib (⭐20) - Library and utilities to read and write broadcasting media files. Primarily supports the MXF file format.

• libadm (⭐46) - Audio Definition Model (ITU-R BS.2076) handling C++11 library.

Monitoring & Quality Control

• a_Multiview (⭐2) - A web based multiview for HLS and Youtube links.

Multimedia content processing

• Codem-isoboxer (⭐118) A small browser-based MPEG-4 (ISOBMFF) parser.

• FFmpeg - A cross-platform solution to record, convert and stream audio and video. Supports SMPTE ST 2110.

• LibAV (⭐1.1k) - Open source audio and video processing tools.

• libbw64 (⭐37) – Header-only Broadcast Wave 64 (ITU-R BS.2088) C++11 library.

• rgain3 (⭐57) - Tools and Python3 library to read, write and calculate Replay Gain - fork of the original by Felix Krull.

• SoX - The Swiss Army knife of sound processing programs.

NMOS

• AMWA NMOS Testing Tool - Automated test suites for the AMWA NMOS family of specifications, as used in the JT-NM Tested programme

• nmos-device-control-mock (⭐7) - A mock device implementation of the NMOS Control & Monitoring suite (IS-12, BCP-008-01, BCP-008-02), written in Typescript and running on the NodeJS stack.

Podcasting

• gPodder - Media aggregator and podcast client.

Radio Production

• OpenBroadcaster Open Source LPFM IPTV Broadcast Automation. Server and Player code here.

Software-defined radio

• Gqrx SDR - An open source software defined radio receiver (SDR).

Subtitling

• CCExtractor - A tool that analyzes video files and produces stand-alone subtitle files.

• GStreamer TTML subtitling package (⭐19) - A means for GStreamer pipelines to parse and render EBU-TT-D (TTML) subtitles.

Video Production

• MOS-connection (⭐24) - A JavaScript library for connection and MOS messaging either as MOS device or NRCS.

• TallyArbiter - Cross-platform Tally interfacer & tally lights for any camera via phones or low-cost hardware.

Blogs

• The Netflix Tech Blog - A Netflix blog focused on technology and technology issues.

Apr 23, 2025

Podcasting

• Ultraschall - Suite of Plugins and UI tweaks to use with the DAW Reaper tailored towards Podcasters (ultraschall.fm)

Rundown automation

• OnTime (⭐774) - Web based time keeping system for live events with a broadcast clock view.

• SuperConductor (⭐305) - Rundown/playout controller for CasparCG Server, BMD ATEM, OBS Studio, vMix, OSC-compatible devices, HTTP (REST)-compatible devices among others.

Mar 26, 2025

Animation, Graphics & Video Playout

• SPX - Graphics Controller (⭐381) - Graphics control client for live video productions and live streams.

Feb 04, 2025

Video Production

• vMix-EmberPlus (⭐4) - vMix to EmberPlus gateway. Control vMix from any EmberPlus broadcast controller like Lawo's VSM or EVS's Cerebrum.

Dec 02, 2024

Communication

• Intercom Manager (⭐54) + Intercom Frontend (⭐43) - Intercom system based on built by Eyevinn for SVT.

• DYI intercom (⭐68) - Hardware + software intercom solution built around Murmur server and headless Mumble clients based on Rasperry Pi.

Sep 23, 2024

Animation, Graphics & Video Playout

• Bridge (⭐58) - Next generation graphics control software, with extension support.

Podcasting

• AntennaPod (⭐7.4k) - A podcast manager for Android (antennapod.org).

• Anytime Podcast Player (⭐560) - Free and easy to use podcast player for Android and iOS (anytimeplayer.app).

• Castopod (⭐787) - Podcast Hosting and Broadcasting (castopod.org).

• Podlove Publisher (⭐304) - Podcast Publisher for WordPress (podlove.org).

• Podlove Web Player (⭐88) - Podcast-optimized, HTML5-based video and audio player (podlove.org).

Streaming

• PeerTube (⭐14k) - ActivityPub-federated video streaming platform using P2P directly in your web browser. (https://joinpeertube.org/)

Sep 04, 2024

Network & Storage Testing

• Examples of SMPTE ST 2110 pcap files (⭐24)

Sep 03, 2024

Metadata

• SDPoker (⭐18) - CLI tool and library for testing SMPTE ST2110 SDP files.

Network & Storage Testing

• Wireshark dissector for TSL UMD protocol V3.1, V4 (⭐6) - Analyzers for TSL UMD (under-monitor display) protocol V3.1 and V4.

• Wireshark dissectors for Video Routers (⭐16) - Analyzers for various video router/matrix protocols.

NMOS

• NVIDIA NMOS Library (⭐17) (NvNmos) - A simple-to-use C/C++ library for adding an NMOS Node to your application, with support for IS-04, IS-05, BCP-002-01, BCP-002-02, BCP-004-01, etc.

Dec 26, 2023

NMOS

• DELTACAST IP Virtual Card NMOS samples (⭐6) - A demonstration of the integration of several NMOS standards with the DELTACAST IP Virtual Card through nmos-cpp (⭐176).

Mar 20, 2023

Clocks & Studio Screens

• PiClock Advanced (⭐8) - Improved version of PiRSClock-Full with changed layout, added timers and network capabilities.

Oct 22, 2022

Animation, Graphics & Video Playout

• Studio TV Player (⭐55) - Simple TV studio player with SDI, NDI and MPEG TS outputs.

Sep 07, 2022

Animation, Graphics & Video Playout

• ffplayout (⭐538) - Rust and FFmpeg based playout from folder or playlists.

Jun 19, 2022

Video Production

• AutoMix (⭐9) - Web-based control surface for ATEM vision mixers with automated camera switching, designed for visualised radio.

May 31, 2022

Blogs

• IRT Lab - IRT blog posting developments and demos for all digital audiovisual media technology.

Jan 06, 2022

Video Production

• QPrompt Teleprompter App - Convergent teleprompter software that works with studio teleprompters, tablet teleprompters, webcams, and phones.

Nov 30, 2021

Multimedia content processing

• SVT Encore (⭐307) - Selfhosted video transcoding platform, built around FFmpeg.

Aug 21, 2021

Control Systems

• Lawo EmberPlus (⭐129) - Ember Plus - open protocol for interfacing to / from broadcast control systems.

• MIDIMonster (⭐567) - Lightweight adapter tool for common show control protocols.

Aug 12, 2021

NMOS

• NVIDIA NMOS Docker - Docker container with Registry and Controller, IS-04/05/08/07/09, BCP-003-01

May 26, 2021

Monitoring & Quality Control

• MXF Inspect (⭐49) - A Windows tool to display the internal structure of an MXF (Material eXchange Format) file.

Apr 26, 2021

Animation, Graphics & Video Playout

• NodeCG - Broadcast graphics rendered in a browser using Node.js.

Dec 20, 2020

Streaming

• Owncast (⭐11k) - Selfhosted video streaming platform (https://owncast.online/)

Oct 18, 2020

NMOS

• BBC NMOS Joint Reference Implementation (⭐13) - 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 (⭐81) - 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 (⭐176) - 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 (⭐38) - A simple browser-based NMOS Client/Controller with an IS-04 Registry browser and IS-05 Connection Management.

Sep 13, 2020

Clocks & Studio Screens

• OnAirScreen (⭐108) - Cross-platform "OnAir Lamp" solution targeted for use in professional broadcast environments.

• PiClock (⭐33) - Customisable network based displays of clocks, on-air, mic live and other studio indicators.

• PiRSClock-Full (⭐25) - Radio Studio Clock with studio indicators for mics, telephones etc.

May 27, 2020

Codecs

• Lame - A high quality MPEG Audio Layer III (MP3) encoder.

• Opus - A totally open, royalty-free, highly versatile audio codec.

• TwoLame - An MPEG Audio Layer 2 (MP2) encoder.

Animation, Graphics & Video Playout

• Macadam (⭐117) - Blackmagic Node.js bindings that support HTML/CSS (via Electron) and SVG (via Sevruga (⭐5)) graphics.

Radio Production

• LibreTime - Radio broadcast & automation platform (fork of Airtime).

May 15, 2020

Multimedia content processing

• Brave (⭐682) - Basic Real-time AV Editor - lets you preview, mix, and route live audio and video streams on the cloud.

Aug 30, 2019

Animation, Graphics & Video Playout

• Nebula - Media asset management and broadcast automation system.

Aug 13, 2019

Metadata

• libklvanc (⭐67) - C library for ancillary data extraction from SDI and SMPTE ST 2110-40 (CEA-708, AFD, SCTE-104, etc.).

Aug 09, 2019

Multimedia content processing

• libear (⭐35) - A C++11 library to render ADM content according to Recommendation ITU-R BS.2127.

Radio Production

• Rivendell (⭐224) - Complete radio broadcast automation solution, translated to many languages and used worldwide.

Jul 07, 2019

Animation, Graphics & Video Playout

• ossia - A free and open-source intermedia sequencer.

Hybrid Radio

• RadioDNS Manager (⭐15) - Platform to manage Hybrid Radio services, e.g. RadioVIS, RadioEPG and Service Following.

Metadata

• jebu-core (⭐2) - Java port of EBU Tech 3293 EBU Core metadata, including the Audio Definition Model.

Monitoring & Quality Control

• Jmeters - A collection of graphical audio meters for JACK, including VU, PPM and EBU R 128 Loudness meters.

• MediaConch - Implementation checker, policy checker, & reporter for Matroska, FFV1, & PCM.

• Sonic Visualiser - An application for viewing and analysing the contents of music audio files.

Multimedia content processing

• Libebur128 (⭐456) - A library that implements the EBU R 128 standard for loudness normalisation.

• MXFLib - A multi-platform C++ library for reading and writing MXF files.

• OBS-Studio (⭐68k) - Software for live streaming and screen recording.

• TuttleOFX (⭐186) - An open source image processing framework based on OpenFX plugin standard.

Network & Storage Testing

• BBC Media Storage Meter - An application for the testing of network attached (professional media) storage.

Radio Production

• Airtime (⭐627) - Radio management application for remote broadcast automation (via web-based schedule).

• Audacity - Cross-platform software for recording and editing sounds.

• AzuraCast (⭐3.6k) - A self-hosted web radio management suite.

• Liquidsoap (⭐1.6k) - A Swiss army knife for multimedia streaming (documentation).

Software-defined radio

• rtl-sdr - Turns a Realtek RTL2832 based DVB dongle into a SDR receiver.

Blogs

• BBC R&D - BBC Research and Development. Checkout the weekly notes.

• 3D CineCast - A curation about new media technologies.

• Canal+ - CANAL+ Open Source Community.

Apr 16, 2019

Companion Screens

• dvbcss-synckit-ios (⭐11) - iOS libraries for companion screen applications that are synchronised frame-accurately to a TV.

• pydvbcss (⭐31) - Implementation of the DVB Companion Screens and Streams protocols for synchronised media playback.

Connected TVs

• HbbPlayer (⭐61) - An HbbTV and W3C specifications compliant application that can playback media from a URL.

Media Players

• rx-player (⭐918) - HTML5/Javascript video player that supports MPEG-DASH and SmoothStreaming.

Monitoring & Quality Control

• LTC-tools (⭐83) - A collection of tools to handle Linear Timecode (LTC) and convert to MIDI Timecode (MTC).

Multimedia content processing

• AvTranscoder (⭐166) - FFmpeg/LibAV-based high-level API to re-wrap or transcode media, with bindings for Java and Python.

• VideoContext (⭐1.3k) - Experimental HTML5/WebGL library for creating interactive and responsive web videos.

• Voctomix (⭐619) - Customizable conference recording/mixing/streaming software based on Python and GStreamer.

Network & Storage Testing

• SMPTE 2110-20 Analyzer (⭐84) - Analyzer to inspect network packets generated in accordance with SMPTE ST 2110.

Software-defined radio

• ODR-mmbTools - Fork of CRC-mmbTools. Adds live, DAB+, associated data, distributed infrastructure, SFN.

Subtitling

• EBU-TT-D Subtitling within dash.js (⭐11) - dash.js fork with EBU-TT-D subtitles in HTML/CSS overlay. Later added to dash.js (⭐11).

• EBU-TT Live Interoperability Toolkit (⭐27) - Components for generating, testing and distributing EBU-TT Live subtitles.

• IRT EBU-TT-D Application Samples (⭐13) - EBU-TT-D sample files, PNG images and mp4 videos as rendering references.

• Subtitling Conversion Framework (SCF) (⭐58) - Modules for converting subtitle formats, incl. EBU STL and EBU-TT files.

• Timed Text Toolkit (ttt) (⭐80) - Tools that support/use the W3C Timed Text Markup Language (TTML).

Video Production

• 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.).

Apr 14, 2019

Documentation

• Kronekeeper (⭐14) - A web based application for recording and managing Krone frame records.

Subtitling

• Subtitle Edit - An editor for subtitles.

Mar 21, 2019

Multimedia content processing

• KFR - Fast, modern C++ DSP framework, DFT/FFT, Audio resampling, FIR/IIR, Biquad, EBU R 128.

Mar 11, 2019

Monitoring & Quality Control

• Pi Audio Monitor (⭐168) - Audio Monitoring for Raspberry Pi, supports S/PDIF, AES3, AES67, Livewire and Ravenna.

Mar 10, 2019

Multimedia content processing

• FFmbc (⭐199) - FFmpeg customized for broadcast and professional usage.

Feb 07, 2019

Multimedia content processing

• Beam Coder (⭐415) - Node.js native bindings to FFmpeg, with support for asynchronous processing via promises and streams.

May 18, 2018

Multimedia content processing

• EBU ADM Renderer (⭐91) - Reference implementation of the EBU ADM Renderer (EBU Tech 3388)

Feb 26, 2018

Animation, Graphics & Video Playout

• Open Playout Automation (⭐200) - A CasparCG-based MCR play-out system.

Feb 20, 2018

Multimedia content processing

• rtmp (⭐139) - Server implementation of Adobe's RTMP 1.0 protocol in Go.

Blogs

• BBC News Labs - Open Source projects from BBC News Labs.

Feb 09, 2018

Radio Production

• RAAR (⭐20) - A ruby application to manage and browse an audio archive.

Jan 31, 2018

DVB & WiFi

• TSDuck - Extensible toolkit for MPEG/DVB transport streams testing, monitoring, integration, debugging, and more.

Jan 19, 2018

Monitoring & Quality Control

• SilentJack (⭐24) - Dead-air / Silence detector for JACK.

Nov 08, 2017

Multimedia content processing

• Kelvinadon (⭐18) - Node.JS pure Javascript module for streaming MXF files to and from JSON.

Sep 08, 2017

Multimedia content processing

• Dynamorse (⭐48) - IT swiss army knife - a Node-RED media pipeline builder, adding professional media processing nodes.

Jul 06, 2017

Monitoring & Quality Control

• Jack Meter (⭐46) - Text console based DPM (Digital Peak Meter) for JACK.

Jun 30, 2017

Codecs

• opencore-amr - Audio codecs extracted from Android Open Source Project, including AAC.

Monitoring & Quality Control

• BeaqleJS (⭐91) - A framework to create browser based listening tests for subjective audio quality assessment.

• MediaInfo - A convenient unified display of the most relevant technical and tag data for video and audio files.

• Photon (⭐246) - Implementation of the SMPTE Interoperable Master Format (IMF) standard.

• QCTools (⭐352) - Quality Control tools for video preservation to analyse digitized video files.

• Rotter (⭐54) - Recording of Transmissions / Audio Logger for JACK.

• silan (⭐39) - Audiofile silence analyzer.

• VMAF (⭐5.2k) - Perceptual video quality assessment based on multi-method fusion.

• Wisual (⭐23) - A web service for Visual Quality Assessment, which supports PSNR, SSIM, VQM, etc.

Radio Production

• Ardour - A digital audio workstation.

Jun 23, 2017

Media Players

• MPD - A flexible, powerful, server-side application for playing music.

• mpg123 - A fast console MPEG Audio Player and decoder library.

Jun 16, 2017

Codecs

• FLAC - Free Lossless Audio Coding, used by some broadcasters for audio exchange, storage.

Companion Screens

• dial-discovery-ios (⭐3) - A library for the discovery of devices via the DIAL protocol on the iOS platform.

• dvbcss-synctiming (⭐22) - A system for measuring how accurately a TV or companion are synchronised.

DVB & WiFi

• DVB Inspector - An open-source DVB analyzer.

• dvbshout (⭐10) - Tool to send DVB audio to a shoutcast server or a RTP stream.

Animation, Graphics & Video Playout

• Aurena (⭐132) - A network distributed media playback system.

• CasparCG - A professional graphics and video play-out software, proven in 24/7 broadcasts since 2006.

Hybrid Radio

• RadioVIS Html Player (⭐14) - RadioVIS Player using WebSocket.

Metadata

• EBUCore (⭐24) - The Github for maintenance of the EBUCore schema.

• TV-Anytime (⭐16) - The TV-Anytime schema github maintenance page.

Multimedia content processing

• UPipe (⭐1) - Primarily designed to be the core of a multimedia player, transcoder or streamer.

Apr 28, 2017

Software-defined radio

• GNU Radio - A software development toolkit that provides signal processing blocks to implement software radios.

• welle.io - An open source DAB and DAB+ software defined radio (SDR) with support for airspy and rtlsdr.

Apr 27, 2017

Connected TVs

• TAL - The TV Application Layer (TAL) is an open source library for building applications for Connected TV devices.

DVB & WiFi

• ts2mpa (⭐5) - Simple tool to extract MPEG Audio from a MPEG Transport Stream (TS).

Hybrid Radio

• RadioDNS for Node.js (⭐6) - Perform RadioDNS resolutions and service lookups in node.js.

• RadioVIS Stomp Server (⭐12) - RadioVIS STOMP server written in node.js.

Network & Storage Testing

• Fio (⭐5.9k) - Flexible I/O Tester

• iPerf3 - The TCP, UDP and SCTP network bandwidth measurement tool.

Apr 23, 2017

Hybrid Radio

• RadioVIS Demo (⭐28) - RadioVIS client application in Python.

Apr 18, 2017

DVB & WiFi

• Project X - DVB demux tool.

Mar 27, 2017

Multimedia content processing

• Flowblade (⭐2.9k) - A multitrack non-linear video editor.

• Snowmix - Live Video Mixer.

Dec 12, 2016

Subtitling

• imscJS (⭐87) - JavaScript library for rendering IMSC1 Text and Image Profile documents to HTML5.

Aug 05, 2016

Hybrid Radio

• RadioTag.js (⭐5) - RadioTag client library in JavaScript.

Jun 21, 2016

Metadata

• MAJ API (⭐19) - Pure Java library for reading and writing MXF and AAF files.

Jun 16, 2016

Subtitling

• EBU-TT-D W3C XML Schema (⭐9) - Informative EBU-TT-D XML Schema to support the implementation of EBU Tech 3380.

May 23, 2016

Multimedia content processing

• Bento4 (⭐2.3k) - Full-featured MP4 format and MPEG DASH C++ class library and tools.

Apr 14, 2016

Multimedia content processing

• Loudness Validator (⭐16) - A set of applications to analyse, visualise and correct the loudness.

Feb 23, 2016

DVB & WiFi

• DTT 2 IP (⭐27) - Broadcast to IP conversion for Wifi indoor coverage.

• WiFiBroadcast - Analog-like transmission of live video data.

Media Players

• Kodi (⭐20k) - A software media player and entertainment hub for digital media.

Multimedia content processing

• GStreamer - A library for constructing graphs of media-handling components.

• MP4Box.js (⭐2.3k) - JavaScript library to process MP4 files in the browser (and in NodeJS).

Jun 11, 2015

Distributed Media Processing

• StormCV (⭐171) - Apache Storm + OpenCV = large scale distributed image and video analysis.

Apr 22, 2015

Multimedia content processing

• L-SMASH (⭐246) - A rigidly spec-compliant ISOBMFF library, which has full DASH muxing support.

Sep 27, 2014

Media Players

• Dash.js (⭐11) - A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

Multimedia content processing

• Open Broadcast Encoder - Broadcast encoder built from Open Source components.