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OpenSign

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Seal the Deal, Openly. Welcome to OpenSign™

Free planWeb

Listed inFile Storage & Sharing

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opensignlabs.com

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Pricing
Open source
Paid plans from
Not listed
Free plan
Yes
Platforms
Web

Overview

Listing details · Not verified by the owner · last changed Nov 2026

Discover OpenSign™, the leading open-source DocuSign alternative for secure & reliable PDF document signing. Our platform offers state-of-the-art encryption, a user-friendly interface & robust API support, making it the go-to solution for individuals and businesses seeking an open-source alternative to DocuSign. Experience the freedom to sign, organize & deliver documents, without the hefty price tag. Join the OpenSign™ community today & revolutionize the way you handle digital signatures.

Features

  • Certificates
  • End-to-end encryption
  • Public API

Facts and sources

Every fact shows where it came from. Facts never depend on what a company pays.

Pricing

Free plan
Yes
AppFinder catalog · Nov 2026 · not yet confirmed by the vendor
Open source
Yes
AppFinder catalog · Nov 2026 · not yet confirmed by the vendor

Security

End-to-end encryption
Yes
AppFinder catalog · Nov 2026 · not yet confirmed by the vendor

Deployment

Platforms
Web
AppFinder catalog · Nov 2026 · not yet confirmed by the vendor

API

Public API
Yes
AppFinder catalog · Nov 2026 · not yet confirmed by the vendor

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How we collect facts

Pricing

Model
Open source
Paid plans from
Not listed

Free and open source.

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Questions and discussion

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Compare OpenSign

Ranked by relevance. Payment never changes this order.How ranking works