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Stable Diffusion WebUI Forge vs SD.Next: catalog facts
Stable Diffusion WebUI Forge	SD.Next
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, macOS, Linux
Adds resource-management options and experimental generation features.	Supports multiple model families and image-processing workflows.
Requires compatible models and suitable local hardware.	Hardware requirements vary substantially between models.
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.