Developer launches Beauty, a cross-platform Markdown editor for Mac, iOS and web

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An independent developer has released Beauty, a Markdown editor built over 10 months and available on Mac, iPhone, and in the browser without requiring an account. The editor renders Markdown in place as users type, supporting features like resizable tables, KaTeX math, and Mermaid diagrams. On Mac, notes are stored as plain .md files alongside their images, and each note retains up to 200 versions. Real-time note sharing is handled peer-to-peer via WebRTC, with the relay server only ever seeing a random room ID to preserve privacy. The editor is free with no ads, and an optional subscription enables sync through the user's own iCloud account.

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