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OpenSignLabs

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4.6 out of 5 stars
11 reviews
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Average star rating
4.6
Serving customers since
2005
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OpenSign

11 reviews

An open-source document e-signing solution designed to provide a secure, reliable and free alternative to commercial platforms like DocuSign, PandaDoc, SignNow, Adobe Sign, Smartwaiver, SignRequest, HelloSign & Zoho sign. Developed under the an open source initative, our mission is to democratize the e-signing process, making it accessible and straightforward for everyone. The software can either be accessed as a hosted solution, which is free for life, or as a comprehensive SaaS offering. Features Secure Signing: Utilizes state-of-the-art cryptographic algorithms to ensure the security & integrity of your documents. User-Friendly Interface: Designed with usability in mind, making it easy for both technical and non-technical users. Multi-Platform Support: Compatible with various browsers and devices. Invite & collaborate users: Bring multiple people from your team into the signing process, all within your own infrastructure. Secure: Allows for the easy, secure and seamless organization of your documents using 'OpenSigDrive'. Audit Trails: Keeps a detailed log of all activities related to the document signing process including IP addresses and access timings. Completion Certificate: Generate secure completion certificate as soon as a document is signed by all participants. API Support: Provides a robust API for integration into other software and services.

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OpenSignLabs Reviews

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HS
Heather S.
02/13/2026
Validated Reviewer
Verified Current User
Review source: Organic

Simple, Fast, and Fully Local—Gets the Job Done

|OpenSign
It is simple to use, can be utilized completely locally. It is fast and does its job well.
Colleen G.
CG
Colleen G.
01/14/2026
Validated Reviewer
Review source: Organic

Affordable, Easy to Use, but Needs UX Tweaks

|OpenSign
I really appreciated OpenSign's free trial, as it was really helpful to give me a sense of whether it was a product I wanted to move forward with. Their overall pricing is reasonable, which is a big plus. The signature collection feature is the one I use the most because it's just really straight ahead, with an easy drag and drop functionality. I also found the initial setup very easy and got started right away.
mahesh p.
MP
mahesh p.
11/20/2025
Validated Reviewer
Review source: Organic

Unbeatable Value with Transparent, Reliable Service

|OpenSign
I find OpenSign to be the best open-source e-signature solution I have ever used. What truly sets it apart is the remarkable combination of transparency, reliability, and unbeatable value. I love the platform’s offer of lifetime free access paired with unlimited signatures for every user, which is a feature that absolutely stands out compared to most commercial e-signature tools. OpenSign has effectively solved our need for a dependable, professional, and affordable digital signature solution. I particularly appreciate how incredibly easy the initial setup was, requiring just a simple sign-up and immediate use. This ease of use makes it accessible and convenient for everyone.

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HQ Location:
New York, US

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What is OpenSignLabs?

OpenSignLabs is a company that specializes in providing innovative digital signage solutions. They focus on creating engaging and interactive digital displays for a variety of settings, including retail, corporate, and public spaces. OpenSignLabs offers a comprehensive range of services, including digital signage software, content creation, and hardware integration, designed to enhance customer engagement and optimize communication. Their solutions are customizable and scalable, catering to the specific needs of different industries and businesses.

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Year Founded
2005