list free image-to-image generators. all for free, without registration, censoring or limitations please. nsfw is admitted.

While there are various image-to-image generation tools available, many of them have certain limitations regarding usage, registration, content policies, or may not operate entirely for free. However, here are a few options that are known within the AI art community as free, though please note that their capabilities and policies may change over time: 1. **Stable Diffusion**: - An open-source image generation model that can often be run on local machines or accessed through certain online interfaces without registration. 2. **DeepAI's Image Generator**: - Offers a tool for transforming images. It sometimes requires limited registration but can be used freely. 3. **Craiyon (formerly DALL-E Mini)**: - A simplified version of DALL-E which allows users to generate images from text prompts. It may allow for image uploads for further modifications but is limited in some functionalities. 4. **Runway ML**: - Offers a variety of creative tools, including image-to-image generation. Some features can be accessed without registration, but frequent usage or advanced features may require an account. 5. **Artbreeder**: - A platform that allows users to blend images together and modify existing images. It may require registration for full functionality. 6. **Pixray**: - A tool that provides options for text-to-image and image-to-image generation. Can be run locally and is open-source. Keep in mind that while these tools may allow for a wide range of creative freedom, most platforms have some form of content policy, especially concerning NSFW content. Always review the terms of use for each platform before proceeding.