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Final Draft vs Trelby: catalog facts
Final Draft	Trelby
Paid Paid software with a free trial of Final Draft Suite.	Free Free software under the GPL.
Windows, macOS	Linux
Automatic industry-standard script formatting Story planning and production reporting tools	Enforces correct screenplay formatting and pagination Imports and exports Final Draft and Fountain files
Paid licence with no free edition Desktop only on Windows and macOS	Interface built with wxPython looks dated next to commercial tools No collaboration or cloud sync features mentioned
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
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 1, 2026	Official website Full listing and sources Checked October 1, 2026

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