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Inkwell vs ghostwriter: catalog facts
Inkwell	ghostwriter
Freemium Free editor; PDF and HTML export need a one-time $19 Pro licence.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, Linux
Small native binary, not Electron Mermaid diagrams and LaTeX math in preview	Keeps plain-text writing and document preview close together.
PDF and HTML export are paid Not open source	Focuses on Markdown rather than complex word-processing layouts.
Downloadable app	Downloadable app
Closed source	Open source
License: Shareware	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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