4 Best Open Source DocuSign Alternatives
A curated collection of the 4 best open source and self-hosted alternatives to DocuSign in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for DocuSign in 2026? The top open-source alternative is Docuseal — Open source document signing and PDF form tool.
Other highly rated open-source DocuSign alternatives include Documenso, OpenSign and Wraft.
Open source document signing and PDF form tool
DocuSeal is a free and open-source document signing platform that simplifies the process of creating, filling, and signing PDF forms. Whether you're an individual or a business, DocuSeal offers a flexible solution that can be used online or self-hosted on your own servers. - Free Forever: No cost for individuals with extensible options for businesses and developers. - Multi-Format Support: Handles PDF, DOCX, XLSX, JPEG, PNG, and ZIP files with a maximum file size of 100MB. - Automatic Digital Signatures: Streamlines the signing process with built-in digital signature capabilities. - API & Embedded Signing: Build automations, integrate signing into React apps, or embed the experience seamlessly. - On-Premises Deployment: Self-host DocuSeal on your own infrastructure for full control. - Enterprise Solutions: Tailored offerings for businesses, including document signing for SaaS products. - Compliance & Security: Follows eSign standards with GDPR-compliant EU cloud hosting and qualified electronic signatures. - Knowledge-Based Authentication: Verify identities with knowledge-based questions for added security. DocuSeal is open-source and can be self-hosted on your own servers. It supports integration via API and offers embedded signing options for developers. The platform is designed to be extensible, making it suitable for both individual users and enterprise environments.
Open source DocuSign alternative for e-signatures
Documenso is a fully compliant, open-source e-signature platform designed to deliver a frictionless signing experience at any scale. Whether you need ready-to-use solutions or a platform to build upon, Documenso provides enterprise-grade functionality with flexibility for customization. - Enterprise-Grade E-Signatures: Fully compliant signatures out of the box, ready for immediate use or customization. - Workflow Automation: Build and automate signing workflows tailored to your business needs. - Customizable Templates: Create and reuse document templates for consistent branding and efficiency. - Seamless Integrations: Embed Documenso’s signing experience directly into your applications with ease. - Scalable Infrastructure: Deliver a smooth signing experience to users at any scale with robust backend support. - Open Source Transparency: Access the source code for full transparency and customization control. - Developer-Friendly: Built with modern APIs and tools for easy integration and extension. Documenso is open-source and can be self-hosted for full control over your data. The platform supports Docker-based deployments and provides comprehensive documentation for setup and configuration. It is designed to be GDPR compliant and prioritizes data privacy and security. For enterprise users, Documenso offers a managed platform plan with additional features and support.
Free open-source DocuSign alternative
OpenSign is a free and open-source alternative to DocuSign, designed for secure and reliable PDF document signing. Built with state-of-the-art encryption, a user-friendly interface, and robust API support, OpenSign empowers individuals and businesses to sign, organize, and deliver documents without the hefty price tag. - Unlimited Free Signatures: Sign documents without any limits or costs. - Collaborative Signing: Invite multiple parties to sign documents at no extra cost. - Certified Completion: Every signed document includes a detailed completion certificate with access logs. - Secure Document Vault: Store and organize signed documents securely in OpenSign Drive. - User-Friendly Interface: Intuitive design for seamless document signing and management. - Robust API Support: Integrate OpenSign with your existing workflows and applications. - Self-Hosting Capability: Deploy OpenSign on your own infrastructure for full control over your data. OpenSign is open-source and can be self-hosted on your own servers. Detailed self-hosting instructions are available in the official documentation. The platform is designed to be scalable, secure, and compliant with industry standards for data protection.
Open-source document lifecycle management platform
Wraft is an open-source Document Lifecycle Management solution that helps businesses author, collaborate, and store their most important documents. Designed for data sovereignty and security, it provides structured document creation, automated workflows, and self-hostable storage. - Smart Document Creation: Build professional documents from customizable templates with no cloud dependencies - Built-in E-Signatures: Get documents signed quickly with approval workflows - Automated Workflows: Generate contracts and proposals automatically from existing data and templates - Self-Hosted Storage: Store and manage all documents with full data control - Structured Organization: Smart, searchable document repository with advanced retrieval - API Integration: Connect with existing tools via REST APIs, SSO, and webhooks - Custom Workflows: Create approval processes tailored to your team's needs - Open-Source Core: Fully self-hostable with AGPLv3 licensing for transparency and flexibility - Self-Hosted: Fully deployable on your own infrastructure - Document Generation: Uses Pandoc for format conversion (PDF, LaTeX, Typst) - Integration Options: REST APIs, SSO, and webhooks for seamless connectivity - Deployment: Docker-based setup for easy installation and scaling - Data Sovereignty: Designed for enterprises prioritizing data privacy and security
About DocuSign
DocuSign is the market leader in electronic signatures and intelligent agreement management, enabling organizations to send, sign, and manage agreements efficiently. The platform combines eSignature capabilities with AI-driven tools to automate contract workflows, reduce manual processes, and accelerate deal cycles.
Key Features of DocuSign
- eSignature: Legally binding electronic signatures for documents
- Intelligent Agreement Management (IAM): AI-powered contract lifecycle automation
- Contract Lifecycle Management (CLM): End-to-end contract automation and tracking
- Agents: AI-driven agreement drafting, review, and orchestration
- Workflow Builder: Customizable automation for agreement processes
- Electronic Notarization: Remote document notarization capabilities
- 1000+ Integrations: Pre-built connectors with popular business tools
- Mobile App: Sign and manage agreements on the go
- APIs: Developer tools for custom integrations
- Web Forms: Data collection and signing workflows
Tech / Self-Hosting
DocuSign is a fully managed SaaS platform with no self-hosting options available. The service operates under enterprise-grade security standards with SOC 2 Type II, ISO 27001, and GDPR compliance certifications. While primarily cloud-based, DocuSign offers on-premise solutions through its DocuSign for Government and DocuSign for Healthcare editions for organizations with specific compliance requirements.