OpenSign🔥 The free & Open Source DocuSign alternative

OpenSign

OpenSign is a free, open source alternative to DocuSign that enables secure document e-signing and digital signature management. It provides enterprise-grade document signing capabilities without licensing costs, allowing organizations to maintain complete control over their signing infrastructure.

Key Features

• Secure PDF E-Signing: Robust encryption algorithms ensure maximum security and compatibility for unlimited document signing
• Multi-Signer Support: Invite multiple signers with sequential signing enforcement and guest signing via unique email codes
• Advanced Annotation: Hand-drawn signatures, uploaded images, typed signatures, and saved signature templates
• PDF Templates: Create and store reusable document templates for repeated signing workflows
• OpenSign Drive: Centralized secure vault for storing, organizing, sharing, and archiving documents
• Audit Trails: Comprehensive logs with timestamps, IP addresses, and completion certificates for compliance
• API & Integrations: RESTful API support with integrations for cloud storage, CRMs, and third-party platforms via Zapier

Use Cases

• Legal Workflows: Streamline contract signing and legal document execution with secure audit trails
• Business Operations: Enable efficient document signing for agreements, forms, and approval processes
• Enterprise Integration: Embed document signing capabilities into existing business applications via API
• Compliance-Heavy Industries: Meet regulatory requirements with detailed audit logs and completion certificates

Who Is It For

OpenSign is designed for businesses, legal professionals, and organizations seeking a cost-effective, privacy-preserving alternative to commercial e-signature platforms. It serves enterprises that require self-hosted solutions with full control over their document signing infrastructure.