These aren't actual apps but carefully crafted/tested prompts you can copy and paste into your custom instructions for ChatGPT or your project in Claude.

Parallel facts – outcomes of hypothetical scenarios and their probabilities

Epistemic check

Sophie txt – improve clarity and syntax while keeping your tone

AI prompts misc

Img mixing styles

Thumbnail

Recipes infographics

IFS prompt via Harry Taussig’s

For 4o image generation

draw ___ using these images as reference [attach images]

Kaj Sotala’s ideas from FB post

Spencer Greenberg’s custom instructions (updated)