HackMD vs MarkText

HackMD has no write-up on Specifiction yet; its figures are above.

MarkText is a free, open-source desktop Markdown editor that displays formatted text as you write. It offers WYSIWYG preview and source-code editing, plus focus and typewriter modes. Writing features include tables, KaTeX math, diagrams, footnotes, code highlighting, and YAML, TOML, and JSON front matter. Listed diagram tools include Mermaid, Vega, and Vega-Lite. The editor has 33 light and dark themes, with CSS customization available. Documents can be exported as PDF or self-contained HTML, and local files are supported. MarkText runs on Linux, macOS, and Windows. Installation notes require macOS 11 or later and Windows 10 or 11, and provide arm64 and x64 installers for those systems. Homebrew, Chocolatey, and Winget are also listed as installation options. The homepage says MarkText needs no account and has no tracking. It is released under the MIT License, has no subscription, and is described as a volunteer-built project.