Editionless edition! Post what your heart desires! Come up with new ideas and/or browse our previous editions for inspiration:
https://archive.palanq.win/bant/search/subject/AI%20Waifus%20General/type/op/

Previous gem died due to no-lifes: https://archive.palanq.win/bant/thread/19036183/

Free online generators:
https://waifus.nemusona.com
https://app.prodia.com/#/art-ai
https://huggingface.co/spaces/camenduru/webui
https://stablediffusion.fr/webui
https://www.bing.com/images/create
https://dezgo.com/text2image

Nemu uses danbooru (or maybe just booru in general) images as reference, so use https://danbooru.donmai.us/ tags as prompts for the best results.
Pixelisation: https://huggingface.co/spaces/NoCrypt/pixelization
Cancer: https://ai-meme.com
For a waifu chatbot there is:
https://beta.character.ai/
It has plenty of existing characters. Free account allows to make your own chatting companion.
Emmm ai booru because why not:
https://aibooru.online/
>Local install
Nvidia GPU: https://rentry.org/voldy | https://github.com/AbdBarho/stable-diffusion-webui-docker
CPU: https://rentry.org/cputard

You can get free daily python VM uptime in Google CoLabs with about 12 GB of RAM on their servers with Stable Diffusion models too, enough for small HD images like 768x768 to 1024x1024
Here are some models. There is anything 5 just like at nemus.
https://drive.google.com/drive/folders/1gVZdBcHNYpVrkHyWG_UhYGf6pYIaanhB
You download one of these .Ipynb files and ten run them in https://colab.research.google.com/

Disclaimer: All waifus have been created by our LORD in Heaven and by His Grace bound to their husbands through the sacrament of marriage until death divides us and lets us join Him in Heaven for all eternity.