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LykosAI/StabilityMatrix

Desktop package manager and inference UI that installs, updates and launches many Stable Diffusion web UIs such as ComfyUI, Forge and Fooocus.

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What is it?

Stability Matrix is a cross-platform desktop application for managing Stable Diffusion tools. It offers one-click installation and updating for a long list of web UIs, including ComfyUI, Stable Diffusion WebUI Forge, Automatic1111, SD.Next, Fooocus, InvokeAI and SwarmUI. Each package gets its own Python and Git environment, so users do not need to install either globally, and the whole data directory can be moved to another drive or machine.

The app also provides a shared checkpoint and model directory used by all installed packages. A model browser can import files from CivitAI and Hugging Face, saving metadata and preview images alongside them, and downloads can be paused and resumed. A launcher with a terminal emulator and editable launch arguments and environment variables handles starting each package.

A built-in Inference interface lets users create image workspaces in tabs, saved as .smproj project files, with syntax-highlighted prompt editing. Generated images include Inference project, ComfyUI node and A1111-compatible metadata.

Key features

  • 01One-click install and update for many Stable Diffusion web UIs
  • 02Embedded Git and Python so no global installs are needed
  • 03Shared checkpoint directory across all installed packages
  • 04Model browser for importing from CivitAI and Hugging Face with pausable downloads
  • 05Built-in Inference interface with tabbed workspaces and project files

Use cases

  • Trying several Stable Diffusion UIs without managing separate Python environments
  • Keeping one shared model library across ComfyUI, Forge and other tools
  • Downloading checkpoints and LoRAs from CivitAI or Hugging Face in one place

Quick start

  1. 1

    Download the build for your platform from the latest release page

  2. 2

    Run Stability Matrix and install a Stable Diffusion package from its package manager

Things to know

  • Source code is licensed under AGPL-3.0, a strong copyleft license.
  • Binary releases are governed by a separate End User License Agreement.
  • The macOS build supports only Apple silicon.

Topics

#stable-diffusion#image-generation#package-manager#comfyui#desktop-app#model-management#ai#automatic1111#avalonia#dotnet

FAQ

What is StabilityMatrix?
Desktop package manager and inference UI that installs, updates and launches many Stable Diffusion web UIs such as ComfyUI, Forge and Fooocus. Stability Matrix is a cross-platform desktop application for managing Stable Diffusion tools. It offers one-click installation and updating for a long list of web UIs, including ComfyUI, Stable Diffusion WebUI Forge, Automatic1111, SD.Next, Fooocus, InvokeAI and SwarmUI. Each package gets its own Python and Git environment, so users do not need to install either globally, and the whole data directory can be moved to another drive or machine.
Is StabilityMatrix free to use? What license does it have?
StabilityMatrix is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is StabilityMatrix still maintained?
Actively maintained. The last commit to StabilityMatrix was on Oct 21, 2026.
What can I use StabilityMatrix for?
Trying several Stable Diffusion UIs without managing separate Python environments Keeping one shared model library across ComfyUI, Forge and other tools Downloading checkpoints and LoRAs from CivitAI or Hugging Face in one place
How do I install StabilityMatrix?
Download the build for your platform from the latest release page Run Stability Matrix and install a Stable Diffusion package from its package manager
Where can I get StabilityMatrix?
The source code and installation instructions are on GitHub: https://github.com/LykosAI/StabilityMatrix

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