head to head · open source
stable-diffusion-webui vs Fullmoon
stable-diffusion-webui has 165,228 GitHub stars, 31,916 forks, 2,510 open issues and last shipped 8 months ago. Fullmoon has 2,271 stars, 222 forks, 45 open issues and last shipped 1.5 years ago. stable-diffusion-webui leads on adoption by 7,176% (165,228 vs 2,271 stars). stable-diffusion-webui is written in Python under AGPL-3.0; Fullmoon is written in Swift under MIT. stable-diffusion-webui has attracted 19% as many forks as stars, Fullmoon 10%. stable-diffusion-webui was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| stable-diffusion-webui | Fullmoon | |
|---|---|---|
| GitHub stars | ★ 165K | ★ 2.3K |
| License | AGPL-3.0 | MIT |
| Written in | Python | Swift |
| Last push | 2026-03-02 | 2025-05-05 |
| Forks | ⑂ 32K | ⑂ 222 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick stable-diffusion-webui if
- You weight community size — 165K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Fullmoon if
- You want the Fullmoon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and Fullmoon fits your workflow better
About stable-diffusion-webui
Stable Diffusion web UI A web interface for Stable Diffusion, implemented using Gradio library. Features Detailed feature showcase with images: Original txt2img and img2img modes One click install and run script (but you still must install python and git) Outpainting Inpainting Color Sketch Prompt Matrix Stable Diffusion Upscale Attention, specify parts of text that the model should pay more attention to a man in a ((tuxedo)) will pay more attention to tuxedo a man in a (tuxedo:1.21) alternative syntax select text and press Ctrl+Up or Ctrl+Down (or Command+Up or Command+Down if you're on a MacOS) to…
read the full stable-diffusion-webui overview →
About Fullmoon
fullmoon iOS fullmoon is an iOS app to chat with local large language models that’s optimized for Apple silicon and works on iPhone, iPad, and Mac. your chat history is saved locally, and you can customize the appearance of the app. supported models [x] Llama 3.2 1B [x] Llama 3.2 3B [x] DeepSeek R1 Distill Qwen 1.5B 4bit credits fullmoon is made possible by MLX Swift from Apple. MLX is an array framework for machine learning research on Apple silicon.
read the full Fullmoon overview →
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Frequently asked questions
Is stable-diffusion-webui or Fullmoon more popular?
stable-diffusion-webui has 165,228 GitHub stars and Fullmoon has 2,271. stable-diffusion-webui has the larger community by that measure.
Are stable-diffusion-webui and Fullmoon free?
Both are open source. stable-diffusion-webui is licensed under AGPL-3.0 and Fullmoon under MIT. Neither carries a licence fee.
What is the difference between stable-diffusion-webui and Fullmoon?
stable-diffusion-webui is written in Python and Fullmoon in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, stable-diffusion-webui or Fullmoon?
Choose stable-diffusion-webui if you want the larger community (165,228 stars) or its AGPL-3.0 licence terms. Choose Fullmoon if its feature set, stack or MIT licence fits better. Both are self-hostable.