# OpenSign

> Seal the Deal, Openly. Welcome to OpenSign™

Canonical page: https://appfinder.tech/apps/opensign

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.

## At a glance

- Category: File Storage & Sharing
- Pricing: Open source. Free and open source.
- Platforms: Web
- Website: https://www.opensignlabs.com/
- Listing: Not verified by the owner; listing details last changed Nov 2026.

## Features

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

## Facts and sources

- Public API: Yes (Directory listing)
- Platforms: Web (Directory listing)
- Free plan: Yes (Directory listing)
- Open source: Yes (Directory listing)
- End-to-end encryption: Yes (Directory listing)

## More

- Alternatives to OpenSign: https://appfinder.tech/alternatives/opensign
- How AppFinder ranks (organic order is never for sale): https://appfinder.tech/trust/ranking