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SignWell vs Signature PDF: catalog facts
SignWell	Signature PDF
Freemium Has a free tier, with paid plans for more features and volume.	Free Free and open source under the AGPL-3.0 licence, with free public instances.
Web	Web, Self-hosted
Recipients sign without an account Detailed audit trail on every document	Multi-person signing mode Page organising, metadata editing and compression in one tool
Documents are stored on a third-party service Senders need an account	Multi-signature mode stores PDFs on the server Signatures are visual, not certificate-based
Hosted service	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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