Browse free open source Sound Synthesis software and projects below. Use the toggles on the left to filter open source Sound Synthesis software by OS, license, language, programming language, and project status.

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  • 1
    eSpeak: speech synthesis
    Text to Speech engine for English and many other languages. Compact size with clear but artificial pronunciation. Available as a command-line program with many options, a shared library for Linux, and a Windows SAPI5 version.
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    Downloads: 1,888 This Week
    Last Update:
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  • 2
    Hydrogen

    Hydrogen

    An advanced drum machine with pattern-based programming

    Hydrogen is an advanced drum machine for GNU/Linux, Windows and Mac OS X. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.
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    Downloads: 1,633 This Week
    Last Update:
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  • 3
    Gnaural

    Gnaural

    Entrain your brain!

    A programmable audio generator intended as an aural aid to meditation, implementing the binaural beat principle as described in Gerald Oster's Oct. 1973 Scientific American article "Auditory Beats in the Brain."
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    Downloads: 373 This Week
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  • 4
    eGuideDog free software for the blind
    eGuideDog project develops free software for the blind. Currently, we focus on WebSpeech, Ekho TTS and WebAnywhere.
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    Downloads: 193 This Week
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  • 5
    Munt
    A multi-platform software synthesiser emulating (somewhat inaccurately) pre-GM MIDI devices such as the Roland MT-32, CM-32L, CM-64 and LAPC-I. In no way endorsed by or affiliated with Roland Corp. Source hosted at: http://www.github.com/munt/
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    Downloads: 172 This Week
    Last Update:
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  • 6
    ZynAddSubFX
    ZynAddSubFX is a powerful realtime, multi-timbral software synthesizer for Linux, OSX, and Windows. It is microtonal, and the instruments made by it sounds like those from professional keyboards. The program has effects like Reverb, Echo, Chorus, Phaser...
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    Downloads: 119 This Week
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  • 7
    FluidSynth

    FluidSynth

    A real-time SoundFont software synthesizer

    A real-time software synthesizer based on the SoundFont 2 specifications. It can be used for live audio synthesis of MIDI events or for rendering MIDI files to disk, using SoundFont instruments. It can also be embedded in other applications. This is not a application with a graphical user interface, however there are several GUI applications which utilize FluidSynth.
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    Downloads: 118 This Week
    Last Update:
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  • 8
    Psycle Modular Music Creation Studio
    Psycle is a Music tracker (like FastTracker 2 or Impulse Tracker) combined with plugin modularity. It supports its own plugin API, the VST2 plugin standard, and a tracker style sampler playback.
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    Downloads: 70 This Week
    Last Update:
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  • 9
    Simple TTS Reader

    Simple TTS Reader

    A small clipboard reader

    Simple TTS Reader is a small utility that reads text from your clipboard using Microsoft Speech API. Whenever you copy any text, the app instantly converts it into spoken words. Select your preferred speech engine from those installed on your system, such as Microsoft Zira, and adjust speed and volume for personalized playback. The application can also be minimized to the system tray. Plus, it is free and comes with an intuitive interface that makes it accessible to everyone.
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    Downloads: 94 This Week
    Last Update:
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  • 10
    Pure Data Computer Music System
    The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.
    Downloads: 57 This Week
    Last Update:
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  • 11
    Convert text to International Morse Code. Input is ASCII text. Output can be: - . -..- - on the console, raw 8bit PCM suitable for piping to /dev/audio, .wav files or even (mp3|ogg). Good for headlines on your MP3 player or code practice.
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    Downloads: 58 This Week
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  • 12
    Qsynth

    Qsynth

    A fluidsynth Qt GUI Interface

    Qsynth is a fluidsynth GUI front-end application, written in C++ around the Qt framework, using Qt Designer. Eventually it may evolve into a softsynth management application allowing the user to control and manage a variety of command line softsynths.
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    Downloads: 71 This Week
    Last Update:
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  • 13

    Frinika

    Free open source DAW, MIDI sequencer, software synthesizers

    Frinika is a free, complete music workstation software for Linux, Windows, Mac OSX and other operating systems running Java. It features sequencer, soft-synths, realtime effects and audio recording.
    Downloads: 35 This Week
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  • 14
    Nyquist

    Nyquist

    Nyquist is a language for sound synthesis and music composition.

    Nyquist is a language for sound synthesis and music composition. It is implemented in C and C++ and runs on Win32, OSX, and Linux. Nyquist combines a powerful functional programming style with efficient signal-processing primitives. Nyquist is also embedded as a scripting language in Audacity.
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    Downloads: 36 This Week
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  • 15
    SPTK is a suite of speech signal processing tools for UNIX environments, e.g., LPC analysis, PARCOR analysis, LSP analysis, PARCOR synthesis filter, LSP synthesis filter, vector quantization techniques, and other extended versions of them.
    Downloads: 22 This Week
    Last Update:
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  • 16
    samplv1

    samplv1

    An old-school polyphonic sampler

    samplv1 is an old-school all-digital polyphonic sampler synthesizer with stereo fx.
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    Downloads: 59 This Week
    Last Update:
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  • 17
    byzorgan

    byzorgan

    Specialized sound synthesizer with Byzantine Church music scales

    This software integrates a small, specialized synthesizer and vocal processor. It can be used to learn Byzantine Church singing. You can play from the keyboard, mouse or touch screen. MIDI input is also available. Voice functions include: pitch highlighting, synthesizer control by voice, pitch correction and voice-to-ison conversion. On the screen there are labels with symbols of Byzantine notes. There is a metronome. The program is oriented on the Chrysanthos tuning of the diatonic scale: 9/8 - 12/11 - 88/81. The octave is divided into 17 (or 19) non-equal parts, it allows you to get all the Byzantine modes.
    Downloads: 23 This Week
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  • 18
    drumkv1

    drumkv1

    An old-school drum-kit sampler

    an old-school drum-kit sampler with stereo fx.
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    Downloads: 46 This Week
    Last Update:
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  • 19
    All-Equal (for Equalizer APO)

    All-Equal (for Equalizer APO)

    An easy to use GUI for Equalizer APO.

    Need an easy to use software to control Equalizer APO? All-Equal System Equalizer is the only GUI that you need. It has all the features you need to make your speakers sound the way you want them to sound.
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    Downloads: 41 This Week
    Last Update:
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  • 20
    synthv1

    synthv1

    An old-school polyphonic synthesizer

    synthv1 is an old-school 4-oscillator subtractive polyphonic synthesizer with stereo fx.
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    Downloads: 64 This Week
    Last Update:
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  • 21
    AlsaModularSynth
    AlsaModularSynth is a MIDI controlled realtime modular synthesizer and effect processor with support for LADSPA and JACK.
    Downloads: 11 This Week
    Last Update:
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  • 22
    padthv1

    padthv1

    An old-school polyphonic additive synthesizer

    padthv1 is an old-school polyphonic additive synthesizer with stereo fx, padthv1 is based on the PADsynth algorithm, by Paul Nasca, as a special variant of additive synthesis (cf. http://zynaddsubfx.sourceforge.net/doc/PADsynth/PADsynth.htm).
    Leader badge
    Downloads: 41 This Week
    Last Update:
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  • 23

    DSSI

    DSSI is an audio plugin API for soft synths and effects.

    DSSI is an audio plugin API for software instruments (soft synths) and effects. It is based on the LADSPA plugin API, the ALSA sequencer event types, and OSC (Open Sound Control) communications with custom GUIs.
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    Downloads: 39 This Week
    Last Update:
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  • 24
    As a library of classes for generating and manipulating music and sound, jMusic provides a solid framework for computer assisted composition in Java. jMusic has a music data structure based upon note/sound events and methods for modifying and structu
    Downloads: 9 This Week
    Last Update:
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  • 25
    uFMOD

    uFMOD

    An XM player library written in assembly language.

    XM player library written in assembly language. It's perfect for size- and speed-critical applications, click free, highly reliable, easy to use, open source, multiplatform. It is able to play even damaged and non-standard XM tracks.
    Downloads: 8 This Week
    Last Update:
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