Humans to Know vs Petal

Humans to Know is a web directory of reusable AI agent skills. A skill packages instructions, sometimes with scripts, references or templates, for a repeatable task such as reviewing code, planning research or writing a product brief. You…

Petal is a personal PDF editor that works in the browser. Instead of using menus and toolbars, you describe the change you want in plain words and Petal applies it to your document. According to the site, it can edit, merge, split and…