Is OpenSign free to use?

Yes, OpenSign is open source under the AGPL-3.0 license. You can use, modify, and distribute it freely within the terms of the license.

Can I self-host OpenSign?

Yes, OpenSign can be self-hosted on your own infrastructure, giving you full control over your data and deployment.

What does OpenSign replace?

OpenSign is an open source alternative to DocuSign. It provides similar functionality while being free and community-driven.

How popular is OpenSign?

OpenSign has 6.2k stars on GitHub, indicating a strong and active community of users and contributors.

OpenSign

Open source document signing — DocuSign alternative

AGPL-3.0Self-hostableJavaScriptReactNode.js

document-signinge-signaturetemplates

Website GitHub Docs

Last updated: 1 month agoData may be outdated

6.2k

Stars

674

Forks

Contributors

Mar 2026

Last Commit

Project Health

72/ 100

Good

Replaces These Proprietary Tools

OpenSign can be used as an alternative to these commercial products.

DocuSign

Electronic signature platform

paid

Related Open Source Tools

Similar projects you might find useful.

Documenso

Open source DocuSign alternative

12.7kAGPL-3.0Self-hostable

TypeScriptReactNext.jsdocument-signinge-signature

Articles About OpenSign

Documenso vs OpenSign in 2026: Which E-Signature Tool?

Documenso vs OpenSign: compare open source DocuSign alternatives on signing UX, bulk sending, API design, embedding, and self-hosting setup. March 2026.

Best Open Source Alternatives to DocuSign in 2026

Documenso, OpenSign, and SignaturePad: open source DocuSign alternatives — self-hosted, legally binding e-signatures for free in 2026 Free options covered.

Best Open Source Document Signing Tools 2026

Documenso, OpenSign, and DocSeal vs DocuSign: compare open source e-signature tools on features, API, self-hosting cost, and compliance. Updated March 2026.

Free Migration Guide

SaaS to self-hosted, step-by-step — one PDF.

Join 300+ self-hosters. No spam.