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SPECIFICTION
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AmpForge

github.com

Free plan WindowsmacOSLinux
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Spec score 8.0 #10 of 35 in Guitar Amp Software

What it is

AmpForge is a free, open-source guitar amp simulator plugin that also includes vocal effects. Its pedalboard has 19 internal modules that can be reordered while the plugin is running. The NAM module loads Neural Amp Modeler capture files supplied by the user. Vocal tools include autotune pitch correction and a de-esser for sibilance. AmpForge is available as VST3, LV2, and CLAP plugins, plus a standalone app on supported platforms. It can run in compatible hosts such as Reaper, Carla, and Bitwig. Users can save, update, delete, import, and export custom presets, alongside the included factory presets. Hosts can automate every parameter, including pedal positions. An IR loader is included, but users need to provide cabinet impulse responses and NAM captures. AmpForge supports Linux, macOS, and Windows. The Windows installer offers VST3, CLAP, and LV2, but no standalone executable. The macOS build is not signed or notarized; the README describes a Gatekeeper workaround for installation.

Spec sheet

What it does
AmpForge is a free, open-source guitar amp simulator plugin with vocal effects.Read 8 Oct 2026 · github.com
Automation
Every parameter is host-automatable, including pedal position parameters.Read 8 Oct 2026 · github.com
External files
AmpForge does not bundle cabinet impulse responses or NAM captures, so users supply their own files.Read 8 Oct 2026 · github.com
Host compatibility
The README describes use in compatible hosts including Reaper, Carla, and Bitwig.Read 8 Oct 2026 · github.com
NAM support
The NAM module loads user-provided Neural Amp Modeler .nam capture files.Read 8 Oct 2026 · github.com
Pedalboard
It includes 19 internal modules that users can reorder at runtime.Read 8 Oct 2026 · github.com
Platform limitation
The Windows installer supports VST3, CLAP, and LV2, but there is no Windows standalone executable.Read 8 Oct 2026 · github.com
Plugin formats
AmpForge is available as VST3, LV2, and CLAP plugins, as well as a standalone app on supported platforms.Read 8 Oct 2026 · github.com
Presets
Users can save, update, delete, export, and import custom presets, and the plugin includes factory presets.Read 8 Oct 2026 · github.com
Security and signing
The macOS build is not code-signed or notarized, and the README provides a Gatekeeper workaround for installation.Read 8 Oct 2026 · github.com
Support and contributions
The project welcomes issues and pull requests through its GitHub repository.Read 8 Oct 2026 · github.com
Vocal effects
The plugin includes autotune pitch correction and a de-esser for sibilance.Read 8 Oct 2026 · github.com

Plans and prices

AmpForge Free Open-source plugin; available for Linux, Windows, and macOS Read 8 Oct 2026 · github.com

Every AmpForge plan and price →

Strong points and limits

Strong points

  • Free, open-source plugin
  • 19 reorderable internal modules
  • Autotune and de-esser included
  • VST3, LV2, and CLAP formats
  • Host automation covers every parameter

Limits

  • Cabinet impulse responses and NAM captures must be supplied
  • Windows has no standalone executable
  • macOS build is not signed or notarized

Who it suits

AmpForge suits guitarists and producers seeking a free amp simulator with vocal effects and flexible plugin formats. It may also suit people who want host automation and custom presets and can supply their own impulse responses and NAM captures.

Verdict

AmpForge combines guitar amp simulation, vocal tools, and a reorderable pedalboard in a free package. Check the platform details and file requirements before choosing it, particularly for standalone use on Windows or installation on macOS.

Where Specifiction places it

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