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ghostwriter vs Inkwell: catalog facts
ghostwriter	Inkwell
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium Free editor; PDF and HTML export need a one-time $19 Pro licence.
Windows, Linux	Windows, macOS, Linux
Keeps plain-text writing and document preview close together.	Small native binary, not Electron Mermaid diagrams and LaTeX math in preview
Focuses on Markdown rather than complex word-processing layouts.	PDF and HTML export are paid Not open source
Downloadable app	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 September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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