Compare software

Trelby vs Beat: catalog facts
Trelby	Beat
Free Free software under the GPL.	Free Free and open source under the GPL, distributed through the App Store.
Linux	macOS, iOS
Enforces correct screenplay formatting and pagination Imports and exports Final Draft and Fountain files	Plain-text Fountain files that stay readable anywhere Final Draft import and export with revisions
Interface built with wxPython looks dated next to commercial tools No collaboration or cloud sync features mentioned	Apple platforms only Largely maintained by one developer
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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