The Deputy Mark II
Full Bucket Music
The Deputy Mark II is a string-synthesizer-style instrument for ensemble textures and related keyboard sounds.
View details →THE AUDIO MAGAZINE / RESOURCES
Synthesizers – Free Music Software & Plug-ins
Free synthesizers covering subtractive, FM, wavetable, modular and other sound-generation methods. Choose an instrument by the sounds and programming workflow you need, then confirm the available format for your operating system. Included factory libraries and optional paid editions are identified in individual listings.
These are researched directory entries, not hands-on reviews. Optional purchases, account requirements and limited editions are identified on product pages. Format availability can differ by operating system.
91 listings
The scrooo
Full Bucket Music
The scrooo uses spectral and formant-oriented synthesis to create sounds with vocal-like or resonant characteristics.
View details →Tone.js
Tone.js
Tone.js is a browser audio framework for building instruments, sequencers and interactive music applications.
View details →Triple Cheese
u-he
Triple Cheese uses comb-filter-based synthesis to build sounds with resonant and sometimes unusual harmonic structures.
View details →TugImgSynth
2Rule / Tuğrul Akyüz
TugImgSynth derives oscillator material from images, using a path across picture brightness to create the waveform a voice plays.
View details →Tunefish 4
Brain Control
Tunefish 4 is an open-source synthesizer developed with a compact sound-generation approach.
View details →TyrellN6
u-he
TyrellN6 is a virtual-analog synthesizer with a compact architecture and modulation options suited to classic electronic sounds.
View details →Vaporizer2
VAST Dynamics
Vaporizer2 is an open-source hybrid synthesizer with wavetable and sample-oriented capabilities.
View details →VCV Rack 2 Free
VCV
VCV Rack 2 Free recreates a modular-synthesizer workflow using connected virtual modules.
View details →Virtual ANS
Alexander Zolotov
Virtual ANS turns a drawn spectral image into sound, extending the idea of the historic ANS synthesizer.
View details →Vital Basic
Vital Audio
Vital Basic is the free tier of a spectral-warping wavetable synthesizer.
View details →VK-1 Viking Synthesizer
Blamsoft
VK-1 Viking Synthesizer is a monophonic virtual-analog instrument with a traditional subtractive control layout.
View details →WaveEdit
Synthesis Technology / WaveEdit Contributors
WaveEdit is a wavetable editor for creating and arranging single-cycle waveforms.
View details →WhispAir
Full Bucket Music
WhispAir uses wavetable synthesis for sounds that move through changing harmonic content.
View details →Yoshimi
Yoshimi Project
Yoshimi is a Linux synthesizer developed from the ZynAddSubFX tradition, with multiple synthesis methods and a performance-oriented workflow.
View details →Zebralette 3
u-he
Zebralette 3 places a spectral oscillator from Zebra 3 in a compact free synthesizer.
View details →Zenbeats Free
Roland
Zenbeats provides a cross-platform music-making environment with a permanently free starting tier and paid expansion options.
View details →Zyklop
Dawesome / Tracktion
Zyklop is a free sound-design instrument built around resynthesis-oriented exploration.
View details →ZynAddSubFX
ZynAddSubFX Project
ZynAddSubFX combines additive, subtractive and pad-oriented synthesis engines in one open-source instrument.
View details →Availability, licensing and system requirements can change. Verification refers to official documentation and download availability, not installation or hands-on testing. Check the developer's current terms before installing.