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MarkText vs Inkwell: catalog facts
MarkText	Inkwell
Free Free and open source under the MIT licence, funded by community sponsorship.	Freemium Free editor; PDF and HTML export need a one-time $19 Pro licence.
Windows, macOS, Linux	Windows, macOS, Linux
Live in-place rendering with no preview pane and no leftover syntax characters CommonMark, GitHub Flavored Markdown and some Pandoc Markdown, plus KaTeX maths	Small native binary, not Electron Mermaid diagrams and LaTeX math in preview
Development is slow, with long gaps between releases Electron, so it is heavy for a text editor	PDF and HTML export are paid Not open source
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Shareware
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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