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Antenna House Formatter vs WeasyPrint: catalog facts
Antenna House Formatter	WeasyPrint
Paid Commercial licences with paid maintenance; a trial download is available.	Free Free and open source under the BSD 3-Clause licence; paid support packages are offered.
Linux	Command line
Supports both XSL-FO and CSS for Paged Media Long development history with regular releases	Uses standard HTML and CSS print features No browser engine needed
Paid commercial licence Aimed at automated publishing rather than editing existing PDFs	Requires a Python 3.10+ environment Aimed at developers rather than casual PDF conversion
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: BSD-3-Clause
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 2, 2026	Official website Full listing and sources Checked September 24, 2026

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