sfizz
sfizz Contributors
sfizz is an open-source SFZ instrument engine and plug-in.
View details →THE AUDIO MAGAZINE / RESOURCES
Windows – Free Music Software & Plug-ins
Find permanently free recording tools, instruments, effects and audio utilities for desktop, mobile and the browser. Each listing explains its purpose, compatibility and important free-edition restrictions, with links to the official source.
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.
360 listings
sforzando
Plogue
sforzando plays instruments defined in the SFZ sample-mapping format.
View details →ShinRonin
Audio Damage
ShinRonin revives Audio Damage's original filter-and-delay design for current systems.
View details →Shutter Encoder
Paul Pacifico
Shutter Encoder is a graphical media-conversion tool with audio-related extraction and encoding workflows.
View details →SINEfactory
Orchestral Tools
SINEfactory is a collection of free instruments for the SINE player.
View details →Sitala 1
Sitala / Decomposer
Sitala is a streamlined drum sampler for arranging one-shot sounds into a playable kit.
View details →SmartAmp
GuitarML
SmartAmp is an open-source amplifier-modeling plug-in associated with machine-learning-based capture techniques.
View details →Sonic Annotator
Centre for Digital Music / Sonic Visualiser
Sonic Annotator runs Vamp audio-analysis plug-ins over files in a repeatable batch workflow.
View details →Sonic Lineup
Sonic Lineup Project
Sonic Lineup helps compare multiple recordings of the same music by aligning them for listening and inspection.
View details →Sonic Pi
Sonic Pi
Sonic Pi turns code into playable musical patterns using synthesizers, samples and timed events.
View details →Sonic Visualiser
Sonic Visualiser Project
Sonic Visualiser is designed for studying recordings through waveforms, spectrograms and analysis layers.
View details →SonoBus
SonoBus Contributors
SonoBus shares live audio between participants over a network, with controls for connection and audio-quality tradeoffs.
View details →Soundly Free
Soundly
Soundly Free is a restricted edition of a sound-library search and management application.
View details →SoX
SoX Contributors
SoX is a command-line audio utility for conversion and signal processing.
View details →SPARTA
Aalto University Acoustics Lab
SPARTA is a collection of spatial-audio plug-ins based on research-oriented signal-processing tools.
View details →Spek
Spek Project
Spek displays an audio file as a spectrogram, showing how frequency content changes over time.
View details →SSD 5.5 Free
Steven Slate Drums
SSD 5.5 Free supplies a restricted drum-kit selection in the Slate drum-player environment.
View details →SunVox
Alexander Zolotov
SunVox combines a modular synthesizer with a tracker-style pattern sequencer.
View details →SuperCollider
SuperCollider Community
SuperCollider is a programming environment for audio synthesis and algorithmic composition.
View details →Surge XT
Surge Synth Team
Surge XT is a hybrid synthesizer with multiple oscillator models, extensive modulation and integrated effects.
View details →Surge XT Effects
Surge Synth Team
Surge XT Effects makes the project's effect algorithms available for processing other audio.
View details →SyndtSphere
Klevgrand
SyndtSphere is a synthesizer organized around a spatial preset-browsing interface.
View details →Synth1
Ichiro Toda
Synth1 is a long-established virtual-analog synthesizer known for a compact interface and a large community patch ecosystem.
View details →SynthMaster 3 Player Free
KV331 Audio
SynthMaster Player Free is a restricted sound-player edition of the SynthMaster instrument family.
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.