Shipped tools and an open engineering project. The proof behind the writing.
Save any web page to a pixel-faithful PDF, entirely on your device, including content behind tabs and accordions and lessons inside course players. It keeps the pixels the browser actually rendered, links stay clickable, and nothing is uploaded.
A fast, private, offline Markdown viewer and desk. Tabs, project trees, bookmarks, notes and stylus ink, all kept in your browser and never uploaded.
A small, declarative language for structured facts, queries, and provenance, written as compact plain text, with a reference toolchain to lint, validate, and resolve them. An open specification with an open-source toolchain, and the shared substrate the other tools speak.