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ComfyUI
Free alternative to: Midjourney
License: GPL-3.0
Free terms: Fully free GPL-3.0; self-hosted with no caps; runs on GPUs as low as 1GB VRAM (or CPU).
What it does
Node-based interface for running Stable Diffusion and other diffusion models locally with complex, shareable workflows.
Heads-up: GPL-3.0 confirmed across multiple ecosystem READMEs ('ComfyUI itself, which is GPL-3.0 licensed'). Repo has migrated toward the Comfy-Org organization; check current canonical repo at time of publishing.
Get it
The project lives with its maintainers — we don't distribute it and we can't provide support for it.
Filed under: Free AI Video & Media Tools
Last verified: September 17, 2026 · Official source ↗
Heads-up: licenses and free tiers change. This page summarizes what the project's official source published on the verified date — confirm the details on the official page before you build on it. We never invent pricing or limits.
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