Show HN: Write.md, a free, open-source, themeable Markdown editor for macOS

Write.md is a free, open-source Markdown editor for macOS that prioritizes customization and privacy, allowing users to design personalized "rooms" for writing through themeable appearance profiles including typography, colors, backgrounds, and window layouts. The editor operates entirely on local files with no accounts, telemetry, or analytics, and offers optional features like Vim key bindings and local spell-checking without relying on external services. Currently available for Apple silicon Macs, it's distributed under the Apache 2.0 license with source code available on GitHub.