Actuate is a software instrument plugin for music production and sound design.
Written in Rust with Nih-Plug and egui, it brings together multiple sound generation approaches in a single project and is designed to run on Linux, macOS, and Windows. The repository provides VST3 and CLAP builds, and the author notes that the project is still a work in progress.
This is free and open source software.
Key Features
- Subtractive oscillators with 17 waveform shapes.
- Additive oscillators with support for up to 16 harmonics.
- FM support between oscillators, samples, and the granulizer.
- Dual filter architecture with multiple algorithms and serial, parallel, or bypass routing.
- Sampler with pitch shifting, resample stretching, and single-cycle waveform support.
- Granulizer with ADSR control and crossfading between grains.
- Three LFO controllers and four modulators for parameter control.
- Eleven post-processing effects together with stereo width and ultra wide controls.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/ardura/Actuate
Support:
Developer: Ardura
License: GNU General Public License v3.0

Actuate is written in Rust. Learn Rust with our recommended free books and free tutorials.
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