An open-source cross-platform audible audiobook manager. With over 250 stars by github developers, OpenAudible is the trusted audio book content manager.

An open-source cross-platform audible audiobook manager. With over 250 stars by github developers, OpenAudible is the trusted audio book content manager.

MinimServer is a new UPnP AV music server with a number of innovative features that make it easier to organize and explore your music collection. If you have a network music player that supports the UPnP AV standards (see this page), you’ll get much more from your music collection if you’re using MinimServer as your music server software.
Lplex is a console application meant to provide a free, quick, and hopefully painless way to:
You’re already fully equipped for hi-res audio (up to 24-bit/96khz) if you have a typical dvd-player and digital amp, and lplex is a way to take advantage of this.
DeaDBeeF (as in 0xDEADBEEF) is a modular audio player for GNU/Linux, *BSD, OpenSolaris, macOS, and other UNIX-like systems.
DeaDBeeF lets you play variety of audio formats, convert between them, customize the UI almost any way you want, and use many additional plugins which can extend it even more.

deadbeef.sourceforge.net
deadbeef.sourceforge.net/download
deadbeef.sourceforge.io/plugins.html
play.google.com/store/apps/details?id=org.deadbeef.android
Pulseaudio Crossover Rack is a program to design and implement multi-way speaker crossovers using any linux powered computer with a multi-channel sound card and a running desktop environment which uses Pulseaudio as it’s sound backend. It also uses a set of LADSPA plugins, namely ladspa-t5-plugins for the heavy lifting of DSP/audio processing. It’s written in python3 and uses QT as the windowing toolkit.

Overtone is an open source audio environment designed to explore new musical ideas from synthesis and sampling to instrument building, live-coding and collaborative jamming. We combine the powerful SuperCollider audio engine, with Clojure, a state of-the-art lisp, to create an intoxicating interactive sonic experience.
It’s time to ditch Skype and TeamSpeak. All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone. Stop paying for TeamSpeak servers and hassling with Skype. Simplify your life.
Airtime is an open source application that provides remote and
collaborative automation of a broadcast radio station.Major features:
- Web-based remote station management. Authorized personnel can add
programme material, create playlists or smart blocks, and stream in live,
all via a web interface.- Automation. Airtime has a scheduler function that enables users to
create shows with content for playback at the exact date and time specified.- Playlists, smart blocks and remote stream URLs can be used multiple times.
- Solid playout. Airtime uses the open source Liquidsoap streaming language for reliable and precise playback to multiple outputs.
- Open, extensible architecture. Stations are free to extend and alter
all parts of the program code, under the GNU AGPLv3 license.

www.sourcefabric.org/en/airtime
en.wikipedia.org/wiki/Airtime_(software)
A web based audio/video streaming (PHP) application and file manager allowing you to access your music & videos from anywhere, using almost any internet enabled device.
ampache.org
github.com/ampache
www.reddit.com/r/ampache
en.wikipedia.org/wiki/Ampache

Discogs Enhancer is a free, open source extension that adds extra features to both Discogs.com and Chrome.
You can block sellers, use a dark theme, see price comparisons, get feedback notifications, convert foreign currencies, search Discogs and other online record shops with any highlighted text, improve tracklist readability, customize lots of Marketplace aspects, and more!
Every feature is optional so you can choose only the features you want to use.
LilyPond is a music engraving program, devoted to producing the highest-quality sheet music possible. It brings the aesthetics of traditionally engraved music to computer printouts. LilyPond is free software and part of the GNU Project.

Frescobaldi is a free and open source LilyPond sheet music text editor.
ly2video is a Python script which converts music represented by a GNU LilyPond file into a video containing a horizontally scrolling music staff which is synchronized with a MIDI-generated audio rendering of the music.
It is also possible to synchronize the video of the scrolling music notation with a previously recorded audio track of the same music, such as a live performance, even when the audio uses tempo rubato or is not precisely metronomic.
www.weblily.net/weblily-app/Clickable-Notation-Reference.html
Digital Room Correction Designer was created to ease the process of creating and loading room correction filters for use with two channel stereo systems. DRC Designer includes Denis Sbragion’s DRC for creating room correction filters, John Pavel’s Convolver VST for playing music through the filters, and Simple Automated IR Measuring Tool by Denis Sbragion and Edward Wildgoose for creating the impulse response files needed by DRC.
