Helm
Helm offers a free polyphonic synthesizer for GNU/Linux, Mac, and Windows, as a standalone program or audio plugin.
About Helm
Helm is a free polyphonic synthesizer developed by Matt Tytel, available for GNU/Linux, macOS, and Windows. It can function as a standalone application or as an audio plugin compatible with LV2, VST, VST3, and AU formats, with both 32-bit and 64-bit versions provided. The software is distributed as free software with no DRM restrictions, and users are permitted to study, modify, and redistribute exact or modified copies of the program.
Key features
- Cross-platform support for GNU/Linux, macOS, and Windows
- Standalone and LV2/VST/VST3/AU plugin compatibility
- Available in both 32-bit and 64-bit versions
- No DRM restrictions on use or distribution
- Users may modify and redistribute source code
Best for: Musicians and audio producers seeking a free, DRM-free polyphonic synthesizer for cross-platform use benefit most from Helm.
Good for
- Free to use with no DRM restrictions
- Compatible with all major desktop operating systems
- Supports multiple widely used audio plugin formats
Helm at a glance
- Website
- tytel.org/helm
- Category
- Music & Audio › Audio Editing & Production
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, Web, Windows
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Audio Editing & Production
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Helm FAQ
What operating systems does Helm support?
Helm runs on GNU/Linux, macOS, and Windows.
What formats can Helm be used in?
Helm works as a standalone application or as an LV2, VST, VST3, or AU plugin.
What processor architectures is Helm available for?
Helm is distributed in both 32-bit and 64-bit versions.
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