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Markpad vs Inkwell: catalog facts
Markpad	Inkwell
Free Free to download, with source published on GitHub.	Freemium Free editor; PDF and HTML export need a one-time $19 Pro licence.
Windows, macOS, Linux	Windows, macOS, Linux
Monaco editor with Vim mode and synchronised preview KaTeX maths and Mermaid diagrams	Small native binary, not Electron Mermaid diagrams and LaTeX math in preview
Focused on Markdown rather than general programming Licence not stated in the available information	PDF and HTML export are paid Not open source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Shareware
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.