Flashcards, cloze questions, and a practice session inside a link.
A tiny office suite where the link is the document. No accounts. Nothing is saved anywhere unless you choose to keep it on this device. Thin Sky Office needs JavaScript to show a document.
Agents: https://office.thin-sky.cloud/llms.txt says how to make a document as a link; a document goes inside another as a fence named by its app.