Guitarix
Guitarix: A free, open-source amp suite with deep routing and model-loading options. Ranked #14 of 35 in Guitar Amp Software by our editors (8.0/10); pricing: Free plan; best for linux-focused free amp processing.
At a glance
- Editor score8.0 / 10
- PricingFree plan
- Best forLinux-focused free amp processing
- Free planYes
- Paid fromFree
- Standalone appYes
- Facts checked20 Sep 2026
Where it wins
- Free and open source with standalone and plugin workflows
- More than 25 built-in effects modules plus amp and cabinet emulations
- Loads impulse responses, NAM models, RTNeural models, LADSPA and LV2 plugins
Where it doesn't
- Platform coverage is narrower than many guitar amp software alternatives
- Linux VST3 support comes through the project's wrapper
- JACK Audio Connection Kit is central to its routing workflow
Our verdict on Guitarix
Guitarix is an open-source virtual guitar amplifier for processing guitar input on Linux, with source builds also described for macOS and other Unix-like systems. It suits guitarists who want free amp processing, flexible signal routing, and a software setup that can work either as a standalone application or inside a DAW. The core design combines an amplifier section with rack effects, separate routing, and stereo output rather than focusing only on a small set of amp presets.
Its feature depth is strongest in effects, routing, and model loading. The built-in effects rack includes more than 25 modules, while amp and speaker cabinet emulations handle the main amplification chain. Guitarix also loads third-party impulse responses and supports Neural Amp Modeler and RTNeural models. External LADSPA and LV2 plugins can be loaded as well, and MIDI controller or footboard control supports performance-oriented workflows. For DAW use, it provides LV2 modules and a VST3 plugin through the project’s Linux wrapper.
The ecosystem fit is centered on Linux audio: JACK Audio Connection Kit, LADSPA, and LV2 are named integrations, and JACK is part of the application’s routing model. That makes Guitarix a strong choice for Linux-focused users who value open-source software, modular signal paths, and broad plugin interoperability. It is less suitable for buyers seeking broad verified platform coverage or a conventional cross-platform commercial product with a larger emphasis on packaged amp-model counts. Choose Guitarix for its free, extensible Linux workflow; look elsewhere if Linux audio integration is not your priority.
Your product? Our editors can test Guitarix in depth and publish a review, labelled as paid · from $149/mo →
Guitarix pricing
Guitarix fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Amp models | Not verified |
| Cabinet models | Not verified |
| Effects count | Not verified |
| Plugin formats | VST3, LV2 |
| Standalone app | Yes |
| IR loader | Yes |
| Supported platforms | Linux, macOS |
| Deployment | Desktop |
| Platforms | Linux, macOS |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 3 integrations: JACK Audio Connection Kit, LADSPA, LV2 |
| Pricing | Free plan |
| Website | guitarix.org |
| Facts checked | 20 Sep 2026 |
Guitarix integrations
Guitarix lists 3 integrations on its own site.
- JACK Audio Connection Kit
- LADSPA
- LV2
Alternatives to Guitarix
- Helix Stadium NativeA wide-ranging guitar and bass plugin with strong hardware integration and a high full-license price.9.4
- AmpliTube 5A mature all-in-one desktop suite with broad modeling, routing, recording, and practice tools.9.2
- GENOMEA flexible cross-platform amp and tone-shaping platform with standalone and DAW workflows.9.1
See all Guitarix alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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