Compare software

WeasyPrint vs Vivliostyle: catalog facts
WeasyPrint	Vivliostyle
Free Free and open source under the BSD 3-Clause licence; paid support packages are offered.	Free Free and open source.
Command line	Web, Command line
Uses standard HTML and CSS print features No browser engine needed	Book layout written in standard CSS Browser viewer and command-line PDF export
Requires a Python 3.10+ environment Aimed at developers rather than casual PDF conversion	Requires familiarity with HTML and CSS Vivliostyle Pub is still in alpha
Downloadable app	Downloadable app, Web application
Open source	Open source
License: BSD-3-Clause	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 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.