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PanWriter vs Inkwell: catalog facts
PanWriter	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, Web	Windows, macOS, Linux
Simple editor with side-by-side preview Exports to docx, EPUB, LaTeX, PDF and slides via pandoc	Small native binary, not Electron Mermaid diagrams and LaTeX math in preview
Requires a separate pandoc install for most exports Deliberately minimal interface with few editing extras	PDF and HTML export are paid Not open source
Downloadable app, Web application	Downloadable app
Open source	Closed source
License: GPL-3.0	License: Shareware
Not stated if an account is needed	No account needed
Not stated if it 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.