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Open-source AI image tools
16 open-source image generation tools. Image Generation tools listed as Free because they are open-source projects you can download and run. Check each project's license, and note that hosting and model costs may still apply.
How to read this page. The tools are grouped by category and are not ranked. Pricing labels come from vendors' own pages when we could confirm them. Always verify plans and limits on the vendor's site.
Image Generation (16)
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| Bing Image Creator | Microsoft's free image generator in Bing, using OpenAI image models. | Free | Official site |
| ComfyUI | Open-source, node-based interface for building image, video and audio generation workflows with local or cloud models. | Free | Official site |
| Diffusers | Hugging Face library for diffusion models for image, video and audio generation. | Free | Official site |
| DiffusionBee | Free macOS app for running Stable Diffusion image generation offline. | Free | Official site |
| FLUX | Official inference repository for Black Forest Labs FLUX image models. | Free | Official site |
| Fooocus | Open-source, offline Stable Diffusion XL image generator focused on simple prompting. | Free | Official site |
| Forge | Open-source Stable Diffusion web UI focused on speed and resource management. | Free | Official site |
| GFPGAN | Open-source face restoration algorithm. | Free | Official site |
| IOPaint | Open-source image inpainting tool for removing objects. | Free | Official site |
| Kohya_ss | Open-source GUI for training LoRA and other image model fine-tunes. | Free | Official site |
| Real-ESRGAN | Open-source image and video restoration and upscaling. | Free | Official site |
| Rembg | Open-source tool for removing image backgrounds. | Free | Official site |
| SAM 2 | Meta open-source Segment Anything Model 2 for promptable segmentation in images and video. | Free | Official site |
| Stable Diffusion WebUI | Popular open-source browser UI (AUTOMATIC1111) for running Stable Diffusion locally. | Free | Official site |
| SwarmUI | Open-source modular web UI for image generation. | Free | Official site |
| Upscayl | Open-source desktop app for upscaling images. | Free | Official site |