OpenSign is an open-source digital signature platform designed for secure document signing and management. It offers a subscription-based model, starting at $9.99 per month, making it an affordable alternative to traditional e-signature services. Users can upload documents, request signatures, and electronically sign documents using advanced cryptographic algorithms, ensuring that all signed documents are secure and legally binding in most jurisdictions. Additionally, every signed document includes a detailed completion certificate and access logs, providing transparency in the signing process.

The platform is tailored for a diverse audience, including small businesses, enterprises, freelancers, and nonprofits, among others. OpenSign also features a secure drive vault for free document storage and organization, enhancing user experience. It integrates with popular services like Dropbox and Zapier, and offers 24/7 live support along with comprehensive documentation for training. Overall, OpenSign combines functionality with security, catering to various organizational needs.