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

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