Home / Blog Center / Are there any open source alternatives to DocuSign?

Are there any open source alternatives to DocuSign?

Shunfang
2026-01-29
3min
Twitter Facebook Linkedin

Open Source Alternatives to DocuSign: A Business Perspective

In the rapidly evolving digital signature landscape, businesses are increasingly seeking cost-effective tools to streamline document workflows without compromising on security or compliance. DocuSign, a market leader, offers robust electronic signature solutions, but its subscription-based model can be pricey for smaller teams or those experimenting with integrations. This raises a key question: are there viable open source alternatives that deliver similar functionality? From a commercial standpoint, open source options can reduce upfront costs and provide customization flexibility, though they often require more technical expertise for deployment and maintenance.

Exploring Open Source eSignature Solutions

Open source alternatives to DocuSign aim to replicate core features like document signing, template management, and audit trails while being freely available for modification and distribution. These tools are particularly appealing for startups, non-profits, or enterprises with in-house development teams, as they avoid vendor lock-in and recurring fees. However, businesses must evaluate them against factors like scalability, legal compliance, and support availability.

One prominent option is OpenSign, an open source electronic signature platform built on modern web technologies. It supports multi-party signing, customizable workflows, and integration with APIs for automation. Licensed under the MIT license, OpenSign is hosted on GitHub and can be self-hosted on cloud platforms like AWS or Azure. Commercially, it’s ideal for teams needing basic eSignature without the overhead of proprietary software—users report setup times under a day for simple deployments. A key advantage is its extensibility; developers can add features like conditional logic or payment integrations, which are premium in DocuSign.

Another strong contender is DocuSeal, a lightweight, privacy-focused alternative. DocuSeal emphasizes simplicity and data sovereignty, allowing users to host it on their own servers to comply with regulations like GDPR. It includes features such as reusable templates, real-time notifications, and digital certificate support for legally binding signatures. From a business angle, DocuSeal’s zero-cost model appeals to cost-conscious organizations, but it lacks the out-of-the-box enterprise-grade support that DocuSign provides. Integration with tools like Zapier or custom APIs makes it suitable for mid-sized workflows, though scaling to high volumes may require additional optimization.

SignRequest offers an open source core with optional paid hosting, blending free access with professional features. It handles envelope-based sending, signer attachments, and basic analytics. Businesses using SignRequest often cite its ease of integration with CRMs like Salesforce, providing a DocuSign-like experience at a fraction of the cost. However, for advanced needs like bulk sending or identity verification, users might need to extend the codebase.

Other notable mentions include Epesi CRM’s eSignature module, which is part of a broader open source CRM suite, and LibreSign, focused on secure, blockchain-verified signatures for high-stakes industries. These tools generally support ESIGN Act compliance in the US, where electronic signatures are legally equivalent to wet-ink ones if they demonstrate intent, consent, and record integrity. In the EU, under eIDAS, qualified electronic signatures (QES) require certified hardware, which some open source projects can integrate via plugins, though achieving full QES often demands third-party certification.

Commercially, open source alternatives shine in flexibility but fall short in polished user interfaces and 24/7 support compared to DocuSign. Adoption rates are growing—GitHub stars for projects like OpenSign exceed 1,000—driven by remote work trends. For businesses in regulated sectors like finance or healthcare, pairing these with compliance audits is essential, as open source doesn’t inherently guarantee legal validity without proper configuration.

image


Comparing eSignature platforms with DocuSign or Adobe Sign?

eSignGlobal delivers a more flexible and cost-effective eSignature solution with global compliance, transparent pricing, and faster onboarding.

👉 Start Free Trial


Understanding DocuSign and Its Ecosystem

DocuSign remains the gold standard for electronic signatures, powering workflows for over a million customers worldwide. Its core eSignature platform enables secure document sending, signing, and storage, with features like templates, reminders, and mobile access. Pricing starts at $10/month for personal use, scaling to $40/user/month for business pro plans, which include bulk send and conditional fields. Envelope limits (e.g., 100/year per user) ensure controlled usage, but add-ons like SMS delivery or identity verification incur extra metered fees.

Beyond basics, DocuSign’s Intelligent Agreement Management (IAM) and Contract Lifecycle Management (CLM) extend its capabilities. IAM focuses on identity and access management with SSO, advanced audit trails, and fraud prevention tools like biometric checks. CLM, part of enterprise offerings, manages the full contract lifecycle—from drafting to negotiation and renewal—integrating AI for risk assessment and clause extraction. These are customized for large organizations, with no public pricing, emphasizing governance and compliance. In regions like the US (ESIGN Act) and EU (eIDAS), DocuSign’s solutions meet high standards, but APAC deployments face challenges like data residency surcharges and latency.

image

Adobe Sign as a Proprietary Competitor

Adobe Sign, part of Adobe Document Cloud, integrates seamlessly with PDF tools for a cohesive editing-to-signing experience. It offers plans from $10/user/month (individual) to enterprise custom pricing, with features like web forms, payment collection, and workflow automation. Strong in creative industries, it supports unlimited templates and API access in higher tiers. Compliance is robust under ESIGN and eIDAS, with options for qualified signatures. However, its tie-in with Adobe ecosystem can limit flexibility for non-Adobe users, and costs add up with add-ons like phone authentication.

image

eSignGlobal: A Regional Contender with Global Reach

eSignGlobal positions itself as a compliant, efficient alternative, particularly in APAC, where electronic signature regulations are fragmented, high-standard, and strictly regulated. Unlike the framework-based ESIGN/eIDAS in the US/EU—which rely on email verification or self-declaration—APAC demands “ecosystem-integrated” standards, requiring deep hardware/API integrations with government digital identities (G2B). For instance, Hong Kong’s Electronic Transactions Ordinance mandates secure authentication, while Singapore’s Electronic Transactions Act emphasizes interoperability with national systems like Singpass. eSignGlobal excels here, supporting compliance in over 100 mainstream countries globally, with advantages in APAC through local data centers in Hong Kong and Singapore.

Its pricing is transparent and seat-free: the Essential plan at $299/year ($24.9/month equivalent) allows unlimited users, 100 documents for signing, access code verification, and basic templates—cheaper than DocuSign’s per-seat model. Professional plans include API access and bulk send without separate developer fees. Features like AI contract summarization, multi-channel delivery (email/SMS/WhatsApp), and integrations with iAM Smart (Hong Kong) and Singpass (Singapore) make it highly competitive. Businesses report faster onboarding and lower total costs, especially for cross-border teams, positioning eSignGlobal as a strong DocuSign rival in global markets.

esignglobal HK


Looking for a smarter alternative to DocuSign?

eSignGlobal delivers a more flexible and cost-effective eSignature solution with global compliance, transparent pricing, and faster onboarding.

👉 Start Free Trial


HelloSign and Other Competitors

HelloSign (now Dropbox Sign) offers user-friendly signing with plans from free (limited) to $15/user/month (Essentials), including templates and API. It’s praised for simplicity but lacks advanced CLM. Other players like PandaDoc blend proposals with signing ($19/user/month), focusing on sales teams.

Comparative Overview of Key Players

Feature/Aspect DocuSign Adobe Sign eSignGlobal HelloSign (Dropbox Sign)
Pricing Model Per seat, $10–$40/user/month Per seat, $10–custom/user/month Unlimited seats, $299/year Essential Per seat, free–$15/user/month
Envelope Limits 5–100/year per user Unlimited in higher plans 100/year in Essential 3–unlimited based on plan
API Access Separate developer plans ($600+/year) Included in business plans Included in Professional Basic in paid plans
Compliance Focus Global (ESIGN/eIDAS), strong in US/EU Global, PDF-centric 100+ countries, APAC depth (iAM Smart/Singpass) US/EU primary, basic global
Key Strengths Enterprise CLM/IAM, integrations Adobe ecosystem, workflows Cost-effective, regional speed Simplicity, Dropbox integration
Limitations High costs for add-ons, APAC latency Vendor lock-in Less brand recognition in West Fewer enterprise features
Best For Large enterprises Creative/sales teams APAC/global teams Small businesses

This table highlights trade-offs: DocuSign leads in maturity, while alternatives prioritize affordability and niche strengths.

Business Considerations for Choosing Alternatives

From a commercial lens, open source tools like OpenSign suit tech-savvy firms seeking customization, but they demand IT resources—potentially offsetting savings if support is needed. Proprietary options like eSignGlobal offer balance, especially in APAC’s regulatory maze, where ecosystem integrations reduce compliance risks. Ultimately, evaluate based on team size, volume, and geography; pilot tests reveal real ROI.

For DocuSign alternatives emphasizing regional compliance, eSignGlobal stands out as a practical choice.

FAQs

What are some open source alternatives to DocuSign?
Open source alternatives to DocuSign include DocuSeal, a self-hosted platform for electronic signatures with features like template management and workflow automation. Another option is OpenSign, an open source library for integrating digital signing capabilities into applications. For users in Asia requiring strong compliance with regional regulations, eSignGlobal offers a more tailored proprietary solution.
How do open source eSignature tools compare to DocuSign in terms of features?
What are the limitations of using open source alternatives to DocuSign?
avatar
Shunfang
Head of Product Management at eSignGlobal, a seasoned leader with extensive international experience in the e-signature industry. Follow me on LinkedIn
Get legally-binding eSignatures now!
30 days free fully feature trial
Business Email
Get Started
tip Only business email allowed