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The Best Open-Source Alternatives to DocuSign

Are you looking for a free or self-hosted alternative to DocuSign? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the E-Signatures ecosystem. Currently, there are 4 active replacements available, with SignaturePad being one of the most prominent selections.

Quick Comparison: DocuSign vs. Open Source

Full comparison: DocuSign vs. SignaturePad →
CriteriaDocuSignOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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SignaturePad

šŸ“ˆ Trending⭐ 10k+ Stars
MIT

SignaturePad is a versatile, JavaScript library for capturing and processing digital signatures, providing an efficient and secure alternative to traditional e-signature solutions like DocuSign. This open-source project enables developers to implement a privacy-friendly, customizable, and accessible digital signing experience for users, eliminating the need for third-party integrations and subscriptions.

⭐ 12,010 Stars
šŸ“ 2,172 Forks
ā— 0 Open Issues
šŸ·ļø MIT
LGPL-2.1

OpenSC is an open-source platform for secure digital signatures and identity management, allowing users to create, send, and verify tamper-evident electronic documents without compromising sensitive information to third-party services. As a privacy-friendly alternative to proprietary solutions like DocuSign, OpenSC enables users to maintain control over their digital identities and safeguard confidential data with robust cryptographic security.

⭐ 3,067 Stars
šŸ“ 842 Forks
ā— 0 Open Issues
šŸ·ļø LGPL-2.1
AGPL-3.0

"LibreSign" is an open-source, web-based platform that enables secure, electronic document signing and e-signature workflows while prioritizing user privacy and data ownership, bypassing the need for proprietary solutions like DocuSign. This LibreSign alternative empowers businesses and individuals to maintain full control over their sensitive information, all within a robust and customizable architecture.

⭐ 782 Stars
šŸ“ 122 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0
Open Source

Psono is an open-source, end-to-end encrypted, electronic signature and document management system that empowers individuals and organizations to securely sign and manage documents online while maintaining complete control over their data. As a highly adaptable and customizable alternative to proprietary solutions like DocuSign, Psono provides an unprecedented level of security and transparency for digital signatures and document workflows.

⭐ 0 Stars
šŸ“ 0 Forks
ā— 0 Open Issues
šŸ·ļø Open Source

Frequently Asked Questions

What is the best open source alternative to DocuSign?

Based on GitHub community data (including star count and fork activity), SignaturePad stands out as one of the most reliable open-source replacements for DocuSign today.

Why should I use an open-source replacement instead of DocuSign?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.