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OpenSig project preview
ProductivityAlternative to Adobe SignAlternative to HelloSignAlternative to DocuSign

OpenSig

Lightweight web-based electronic document signing and PDF signature tool.

View on GitHub Visit website
LicenseMIT
GitHub stars10
Last commit1 weeks ago
Tags5 topics
Audit Certificate GeneratorElectronic Signature AppPdf Signature PlacementProductivitySignatory Token Links
Overview

Why consider OpenSig?

OpenSig is an open-source electronic signature web application. It enables users to upload PDF contracts, place visual signature fields, invite signatories via secure token links, and download tamper-evident signed audit certificates.

Guided learning

Learn OpenSig by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of OpenSig

OpenSig provides a self-hosted electronic signature workflow without recurring envelope pricing fees.

Quickstart

bash
1git clone https://github.com/OpenSig/opensig.git
2cd opensig
3npm install
4npm run dev

Upload a PDF agreement and assign signature coordinates to request client signoffs.

OpenSig is licensed under the permissive MIT License.

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OpenSig FAQs

OpenSig is listed as a Productivity tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

OpenSig is listed under the MIT license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

OpenSig is listed as an alternative to Adobe Sign. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.