OpenSign
Secure PDF document signing with state-of-the-art encryption, a user-friendly interface, and robust API support. Ideal for individuals and businesses seeking a cost-effective e-signature solution.

OpenSign is a free and open-source alternative to DocuSign, designed for secure and reliable PDF document signing. Built with state-of-the-art encryption, a user-friendly interface, and robust API support, OpenSign empowers individuals and businesses to sign, organize, and deliver documents without the hefty price tag.
Key Features
- Unlimited Free Signatures: Sign documents without any limits or costs.
- Collaborative Signing: Invite multiple parties to sign documents at no extra cost.
- Certified Completion: Every signed document includes a detailed completion certificate with access logs.
- Secure Document Vault: Store and organize signed documents securely in OpenSign Drive.
- User-Friendly Interface: Intuitive design for seamless document signing and management.
- Robust API Support: Integrate OpenSign with your existing workflows and applications.
- Self-Hosting Capability: Deploy OpenSign on your own infrastructure for full control over your data.
Tech / Self-Hosting
OpenSign is open-source and can be self-hosted on your own servers. Detailed self-hosting instructions are available in the official documentation. The platform is designed to be scalable, secure, and compliant with industry standards for data protection.