LibreSign
The secure, open-source digital signature for your world.
LibreSign is a free and open source web application for electronic signatures, developed by the LibreCode cooperative. It lets users sign, request, and manage documents online with traceability, addressing the need to digitize document workflows while keeping control of the technology in a self-hosted environment.
Core capabilities include advanced security with encryption and multi-factor authentication, hybrid signatures using personal or system-generated digital certificates, QR Code document validation, and real-time signature monitoring with automatic reminders. It also supports envelopes for batch signing of multiple documents with shared signers, Certificate Revocation List (CRL) implementation, and DocMDP document modification detection and prevention per ISO 32000. The platform is designed to integrate with existing systems and workflows.
LibreSign targets public sector bodies, small and medium businesses, cooperatives, IT professionals, and legal teams. The software itself is open source, while the cooperative offers commercial plans for organizations needing support, managed services, cloud infrastructure, integrations, or dedicated guidance; public pricing is not listed, and interested parties are directed to contact the team.
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