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