The free and open source alternative to DocuSign

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The open-source document e-signing solution

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Table of Contents

1. Introduction
2. Features
3. Installation
4. Usage
5. Contribution Guidelines
6. License
7. Acknowledgments

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Introduction

Welcome to OpenSign, the premier open source docusign alternative - document e-signing solution designed to provide a secure, reliable and free alternative to commercial esign platforms like DocuSign, PandaDoc, SignNow, Adobe Sign, Smartwaiver, SignRequest, HelloSign & Zoho sign. Our mission is to democratize the e-signing process, making it accessible and straightforward for everyone.

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Features

• Secure PDF E-Signing: With the help of robust encryption algorithms, OpenSign™ ensures maximum security, privacy & compatibility.
• Annotate Documents: OpenSign™ allows you to annotate PDF documents with an advanced signing pad that allows hand drawn signatures, uploaded images, typed signatures & saved signatures for the simplest signing experience ever.
• User-Friendly Interface: OpenSign™ was built while keeping Intuitive design in mind for ease of use. Features like "Sign yourself", "Templates", "One click signatures" and "OpenSign™ Drive" makes it stand out of the crowd and even makes it better than a lot of so-called industry leaders.
• Multi-signer Support: OpenSign's ability to invite multiple signers for signing along with the ability to invite witnesses & being able to enforce signing in a sequence makes it the only open source solution that is fully loaded and allows it to compete head-to-head with established players in e-signature space.
• Email Unique Code(OTP) verification support for guest signers: With OpenSign™, your documents are fully secure even when being signed by guest users. Guest signers can only sign the document after entering a unique code sent to their email address. 
• "Expiring Docs" & "Rejection": You can set documents to expire after certain number of days after which nobody will be able to sign. Not just this, OpenSign™ also allows signers to reject signing a document.
• Beautiful email templates: All document signing invitations, completion notifications & reminders are formatted using great looking email templates.
• PDF Template Creation: OpenSign™ allows you to create and store PDF document templates for repeated use thereby saving you a lot of time & collect e-signatures seamlessly.
• OpenSign™ Drive: It is a centralised secure vault for your digital documents that makes storing, signing, organizing, sharing & achieving your docs a breeze.
• Audit Trails & completion certificate: Being a security focused solution, OpenSign™ makes it a top priority to save detailed logs for tracking document activities along with time-stamps, IP addresses, email IDs & phone numbers. A completion certificate is generated as soon as document is completed which contains all the document related logs for added safety.
• API Support: OpenSign™ API allows seamless integration into existing systems and software. You can generate an API key from the app and refer the docs to start integrating it in your existing applications.
• Integrations: Seamless integrations with various Cloud storage systems, CRMs & enterprise platforms is available. We also have a Zapier integration that allows you to integrate it with virtually any application.

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Installation

Please refer to the Installation Guide for detailed instructions on how to install OpenSign on your system.

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Usage

For comprehensive guidelines on how to use OpenSign™, please consult our User Manual.

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Contribution Guidelines

We welcome contributions from the open-source community. For more information on how to contribute, please read our Contribution Guidelines.

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License

OpenSign is licensed under the AGPL License. For more details, see the LICENSE file.

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Acknowledgments

We would like to thank all our contributors and users for their support and feedback. Special thanks to OpenSignLabs for spearheading this initiative.

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Contributors

Aleksandar Jakovljevic 💻	Priyanshu Dwivedi 💻	Akriti Sengar 💻	Parth Chawande 💻	Rishabh Dewangan 💻	Nitin Mishra 💻	Jobin Selvanose 📖
Hans Fraiponts 📖	Monil Prajapati 💻	Edogbanya Emmanuel 🐛	pranav514 💻	Aria 💻	Soumyadipto Pal 💻	Andrey Didenko 💻
VishakhaSainani 💻	Andrew 💻	Rishab 💻	Maurizio Pillitu 🐛	Luis Parra ️️️️♿️	Govinda Kocharekar 💻	Bilal Ahmad Bhat 💻
Vikram 💻