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OpenSign vs Documenso: catalog facts
OpenSign	Documenso
Freemium The open-source software is free to self-host. A hosted plan is paid.	Freemium The open-source software is free to self-host. Hosted plans are paid.
Web, Self-hosted	Web, Self-hosted
Self-hostable, so signed documents and audit trails stay with you Templates, signing order and an API for integration	Self-hostable with templates, webhooks and an API Clean modern interface compared with older open-source alternatives
Legal weight of signatures depends on your jurisdiction and configuration Younger and less polished than the commercial services	Legal validity depends on jurisdiction and how it is configured Hosted plans and some features are paid
Self-hosted, Web application	Self-hosted, Web application
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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