sonic-pi - The Live Coding Music Synth for Everyone

•    Ruby

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Sonic Pi is a new kind of musical instrument. Instead of strumming strings or whacking things with sticks - you write code - live. Sonic Pi is a complete open source programming environment originally designed to explore and teach programming concepts within schools through the process of creating new sounds.

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LMMS - Cross-platform music production software

•    C++

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LMMS is a free cross-platform software which allows you to produce music with your computer. This covers creating melodies and beats, synthesizing and mixing sounds and arranging samples. You can have fun with your MIDI keyboard and much more – all in a user-friendly and modern interface. Furthermore LMMS comes with many ready-to-use instrument and effect plugins, presets and samples.

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fluidsynth - Software synthesizer based on the SoundFont 2 specifications

•    C

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FluidSynth generates audio by reading and handling MIDI events from MIDI input devices by using a SoundFont. It is the software analogue of a MIDI synthesizer. FluidSynth can also play MIDI files. If you are missing parts of the documentation, let us know by writing to our mailing list. Of course, you are welcome to edit and improve the wiki yourself. All you need is an account at GitHub. Alternatively, you may send an EMail to our mailing list along with your suggested changes. Further information about the mailing list is available in the wiki as well.

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sonic-pi - Code. Music. Live.

•    C++

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Sonic Pi is a new kind of musical instrument. Instead of strumming strings or whacking things with sticks - you write code - live. Sonic Pi is a complete open source programming environment originally designed to explore and teach programming concepts within schools through the process of creating new sounds.

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Rosegarden - Music software for Linux

•    C++

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Rosegarden is a well-rounded audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment. Rosegarden is an easy-to-learn, attractive application that runs on Linux, ideal for composers, musicians, music students, and small studio or home recording environments.

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OTTO - Your entire music-making workflow, in one box.

•    C++

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The OTTO is a complete hardware and software solution, with synths, a sampler, effects, sequencers, and studio modules. The interface is modal, easy to use, simple, but most of all, it encourages experimentation. The graphics are quirky, and the workflow is minimal. Yes, the OTTO is heavily inspired by the OP-1, but it is not an OP-1 clone. If you want an OP-1 you can get it here.

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ZynAddSubFX - Music Software Synthesizer

•    C++

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ZynAddSubFX is a fully featured open source software synthesizer capable of making a countless number of instruments, from some common heard from expensive hardware to interesting sounds that you'll boost to an amazing universe of sounds.

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AudioKitSynthOne - AudioKit Synth One: Open-Source iOS Synthesizer App

•    Swift

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We've open-sourced the code for this synthesizer so that everyone is able to make changes to the code, introduce new features, fix bugs, improve efficiency, and keep the synthesizer up-to-date with all new capabilities of the base operating system. If you're new to AudioKit, you can learn more: here. This code and app is made possible by all the contributors to AudioKit. Many of the features of Synth One are availble as modules in AudioKit, allowing you easy access to oscillators, filters, reverbs, effects, and other DSP processing: code here.

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amsynth - Analog Modelling Synthesizer

•    C++

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Analog Modelling Synthesizer

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key-and-pad - 🎹 Fun experiment with the Web Audio API 🎶

•    Javascript

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Key&Pad uses the Web Audio API to generate oscillators and effects. I needed some way for these nodes to be updated when the state in the Redux store changed, so I took inspiration from React and wrote a reconciler. It subscribes to the store, and whenever a change is published, it calculates the minimum change needed to update the Web Audio nodes.

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ROMPlayer - AudioKit Sample Player (ROM Player) - EXS24, Sound Font, Wave Player

•    Swift

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Welcome to the official AudioKit example of a sample-based music instrument written in Swift. It can be modified to play EXS24, Wave, or Sound Fonts. This code is lightweight and demonstrates how you can make a beautiful sounding, pro-level instrument with small amount of code. If you're new to AudioKit, you can learn more and view getting started links: here.

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DX7-Supercollider - My accurate Yamaha DX-7 clone. Programmed in Supercollider.

•    SuperCollider

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You don't need to open the DX7.afx file. It just needs to be in the same directory as the DX7.scd. Just open the DX7.scd in Supercollider and run the big chunk of code starting from the line 35 and it's ready to use. Then run the mainCaller functions for new notes and to close notes send zero velocity from the mainCaller functions. The only requirement is to install the SC3-Plugins Ugen library because I use the FM7.ar Ugen at the heart of all operation.

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webaudiofont - Use full GM set of musical instruments to play MIDI and single sounds or effects

•    Javascript

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WebAudioFont is a set of resources and associated technology that uses sample-based synthesis to play musical instruments in the browser. You can choose from thousands of instrument, see Catalog. Add a link to WebAudioFontPlayer.js and the instrument file. Invoke queueWaveTable.

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guitar - 🎸 Online guitar toy and tablature recorder/player

•    Javascript

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It's a virtual guitar record-a-synthesize-amatronic web application.You can copy and paste entire webpages containing guitar tabs and it'll try to load all it can.

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snare-synth - snare drum for baudio

•    Javascript

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Here's what it sounds like.Return a function d(t) that plays a snare once when t is small.

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twigs - Alternate firmware for Mutable Instruments Branches synthesizer module

•    C++

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There is one major difference between the layout of Twigs and stock Branches: the channels don't have individual inputs.

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unimidi - Realtime MIDI IO for Ruby

•    Ruby

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Also see MicroMIDI which builds a full MIDI messaging DSL on top of this library. UniMIDI uses one of the following libraries, depending on which platform you're using it on. The necessary library should install automatically with the unimidi gem.

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klatt - derivative of the klatt 3.04 synthesizer

•    C

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This is an implementation of the Klatt Cascade-Parallel Formant Speech Synthesizer. The software for this synthesizer was originally described in Klatt1980 and an updated version of the software was described in Klatt1990. The code was originally written in Fortran by Dennis Klatt. It was ported to C by John Iles and Nick Ing-Simmons upto version 3.04. The code has since been modernized and cleaned up to make it easier to build and maintain on modern C compilers and systems by Reece H. Dunn.

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shaden - A modular audio synthesizer.

•    Go

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Shaden is a modular audio synthesizer. Patches for the synthesizer are written in a Lisp dialect. A REPL and HTTP interface is provided for interacting with the synthesizer in real-time. I started this project as a way of learning more about digital signal processing and music theory. Consider this an art project. The name "shaden" comes from the Cycle of Galand book series by Edward W. Robertson.

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PySynth - Several simple music synthesizers in Python 3

•    Python

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PySynth is a simple music synthesizer written in Python 3. The goal is not to produce many different sounds, but to have scripts that can turn ABC notation or MIDI files into a WAV file without too much tinkering. The current release of the synthesizer can only play one note at a time. (Although successive notes can overlap in PySynth B and S, but not A.) However, two output files can be mixed together to get stereo sound.

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