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MarkRight vs Inkwell: catalog facts
MarkRight	Inkwell
Free Free and open source under the GPL-3.0 licence.	Freemium Free editor; PDF and HTML export need a one-time $19 Pro licence.
Windows, macOS, Linux	Windows, macOS, Linux
Live preview of GitHub Flavored Markdown Builds for macOS, Windows and Linux	Small native binary, not Electron Mermaid diagrams and LaTeX math in preview
Deliberately minimal, with few editing features Small single-developer project	PDF and HTML export are paid Not open source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License: Shareware
No account 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.