3 Open Source Alternatives to DocuSign

A list of 3 carefully selected open-source alternatives to DocuSign.

Adrian
Created by
Adrian
Mar 9, 2025Updated6 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of DocuSign open-source alternatives — each with its own distinctive strengths and key features.

#1
Docuseal logo

Docuseal

8,809
606

Docuseal is an open source alternative to popular digital signature platforms like DocuSign and PandaDoc. It enables you to create, fill, and sign documents with a user-friendly interface and is free for individual use while offering extended features for businesses and developers.

Docuseal screenshot

Key Features

  • Open source alternative to major platforms like DocuSign and PandaDoc
  • User-friendly, streamlined document creation, filling, and signing
  • Robust API and webhook integration for seamless automation
  • Embeddable signing forms for websites and applications
  • Supports multiple file formats with large file upload capabilities
  • Mobile-friendly design and customizable branding

Docuseal simplifies the digital signing process with a fast and slick step-by-step form available on both mobile and desktop devices. The tool supports multiple document formats, provides robust API integration and embeddable code snippets, and offers an HTML to PDF form feature for personalized documents. Its design prioritizes usability and legal compliance, making it an effective solution for both individuals and organizations.

#2
OpenSign logo

OpenSign

4,378
376

OpenSign is a free and open source PDF electronic signature solution that transforms the way you sign, store, and secure your documents. Enjoy unlimited digital signatures at no cost while accessing advanced features tailored for professionals, teams, and enterprises.

OpenSign screenshot

Key Features

  • Unlimited free e-signatures
  • Secure document storage with OpenSign Drive
  • Comprehensive certificate and access logs
  • Advanced API, webhook, and Zapier integrations
  • Scalable plans: Free, Professional, Teams, and Enterprise

OpenSign offers an all-in-one platform for digital document signing, document organization, and secure storage in a dedicated Drive vault. With features ranging from unlimited e-signatures and free collaboration to detailed completion certificates and robust API integrations, OpenSign caters to individual users as well as larger organizations. Multiple scalable plans ensure that you can upgrade as your needs grow.

#3
Documenso logo

Documenso

10,408
1,487

Documenso is the open source alternative to DocuSign, offering a fast, secure, and customizable digital document signing solution. It empowers businesses with a plug-and-play signing infrastructure and flexible workflows, scalable from individual users to large enterprises.

Documenso screenshot

Key Features

  • Open source alternative to DocuSign
  • Plug-and-play digital signing infrastructure
  • Customizable templates and workflows
  • Seamless API integration and direct link generation
  • Team collaboration with real-time document tracking
  • Flexible pricing tiers including Free, Individual, Teams, and Platform plans

Documenso streamlines digital signing with an intuitive interface that lets you create, send, and sign documents quickly and securely. The platform supports reusable templates, customized workflows with defined recipient roles and fields, and real-time tracking. Its robust API, direct link generation, and team collaboration features simplify integration and enhance efficiency.

Price comparison of DocuSign open-source alternatives

ToolTier 1Tier 2Tier 3Details
OpenSign logo
OpenSign
$0
OPENSIGN™ FREE
$29.99
OpenSign™ Professional
$39.99
OpenSign™ Teams
Learn more
Documenso logo
Documenso
$0
Free
$25
Individual
$8
Teams
Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About DocuSign

DocuSign is a leading company in the United States specializing in electronic signature technology and digital transaction management services. It was founded in 2003 by Tom Gonser, Court Lorenzini, and Eric Ranft. The goal was to eliminate the hassles and inefficiencies associated with physical paperwork by digitizing the entire process. Headquartered in San Francisco, California, DocuSign operates multiple offices worldwide, including major locations in Seattle, New York, and London. The company's headquarters in San Francisco acts as the main hub for its global operations. DocuSign's primary product is its electronic signature software. It allows users to securely sign, send, and manage documents digitally, eliminating the need for physical paperwork and streamlining business transactions. The company also provides other digital transaction management services like workflow automation, contract lifecycle management, document generation, and notary services. These offerings empower organizations of all sizes to accelerate and automate their agreements, reducing costs and increasing efficiency. On a global scale, DocuSign has expanded through various partnerships and acquisitions. It has formed strategic alliances with technology giants like Microsoft, Google, and Salesforce, integrating its services with their platforms. The company also partners with industry leaders in sectors such as finance, real estate, and healthcare to provide tailored solutions for their specific needs. Notable subsidiaries of DocuSign include SpringCM, a contract lifecycle management software provider, and Seal Software, an AI-powered contract analytics platform. As of now, DocuSign holds a prominent market position in the electronic signature and digital transaction management industry. It serves millions of customers globally, ranging from small businesses to enterprise-level organizations. With consistent revenue growth and a strong customer base, the company has emerged as a market leader and is often recognized as one of the most innovative companies in the technology sector. DocuSign has achieved numerous milestones and successes over the years. In 2018, it became a publicly-traded company on the NASDAQ stock exchange. The company's IPO was a significant event that showcased its value and potential in the market. DocuSign has also continuously expanded its product lineup and enhanced its offerings through technological advancements and strategic acquisitions. In terms of current status, DocuSign continues to innovate and expand its global presence. It has recently announced partnerships with major financial institutions like JPMorgan Chase and Mastercard to further digitize transactions in the banking industry. The company's commitment to providing secure and efficient digital solutions has earned it a strong and trusted reputation, making it well-positioned for future growth and success.
This comparison data was compiled with AI assistance.
DocuSign logo

DocuSign

DocuSign is revolutionizing business, empowering more than a million customers and over a billion users worldwide. We pioneered the development of e-signature technology, and today DocuSign helps organizations connect and automate how they prepare, sign, act on, and manage agreements.

Founded

2003

Employees

5,001

Location

San Francisco, United States

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