Simplify your digital signatures and document management safely and efficiently

Easily create, send, sign and track all your contracts in one place

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Features

Main features

Beyond offering agility and security in digital signatures and document management, LibreSign features functionalities that adapt to the specific needs of your organization.

Advanced security

Keep your documents secure with end-to-end encryption and multi-factor authentication, ensuring protection throughout the electronic document signing process.

Hybrid signatures

Hybrid signatures streamline negotiation processes, offering flexibility in choosing between personal or system-generated digital certificates for signing documents digitally with LibreSign

Document validation by QR Code

LibreSign revolutionizes document authenticity verification with QR Code, ensuring security, efficiency, and practicality. Its instantaneous validation, agility, transparency, and compatibility with various platforms make it perfect for sustainable businesses. Try this solution now!

Real-time monitoring

Transform document management in public organizations with LibreSign, monitoring signatures in real time, sending automatic reminders and optimizing your team's efficiency. Try our solution for transparent and productive administration.

About Us

The perfect tool to manage the signature flow of your documents

LibreSign is a web application for electronic signatures (e-Sign) developed by the LibreCode cooperative (Brazilian cooperative specialized in free software development). Its development began at the beginning of 2020, in the midst of the pandemic, when people and companies were migrating their physical documentation to digital, and then there was a need to develop a web solution that could offer the possibility of signing documents, contracts and proposals online with security and agility.

We use PKI technology to generate digital certificate keys. LibreSign is open source (and always will be), which allows it to be audited and customized for various needs and integrated with any system and, of course, maintained by the community.

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Testimonials

What our customers says

Libresign's nextcloud integration has come a long way in the past year. If you tried it before and found it lacking, give it another chance. I can see it being a real option and alternative to other e-signature services.

Matt Nelson

Congratulations to the LibreSign development team for creating such an efficient solution for electronic signatures! LibreSign has an intuitive interface and ease of use, allowing integration with various APIs. I've been following the development and see it improving with each new release. LibreSign makes managing digital signatures a simple and reliable experience. I highly recommend it!

Lua Mello

Finally an excellent app for signing documents. Very good!

Daiane Alves

Libresign is becoming a fully-featured alternative to expensive cloud services like DocuSign. The nextcloud integration makes it a real option to use for e-signatures.

Metheos

LibreSign has come a long way and it is great replacement to most commercial e-signature solutions and it is open source.

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It works perfectly with the electronic certificate issued by the Spanish Government. Installation has become very simple and affordable for anyone with minimal knowledge of Nextcloud. Developer support is fantastic. It works on all devices, including mobile devices. It has different options for creating, requesting and signing signatures. Version 9 is a great leap in quality and has a lot of future. It's incredible that this application works so well and is free.

Iván Gómez Fernández

A simple and complete solution. It speeds up processes and can eliminate the use of paper. We integrated it with our public management system or e-Cidade, it was absurdly good. Congratulations.

Igor Afonso Oliveira Ruas

Target audience

Public sector

Optimize document management in the public sector with LibreSign. Our solution provides effective administration to handle specific government documentation, ensuring security, speed, and strict compliance with the General Data Protection Law (GDPR). Simplify bureaucratic processes, expedite document signing, and promote more efficient management with LibreSign for the public sector.

Education

LibreSign is the ideal choice for educational institutions looking to enhance their document processes with legal validity. Simplify the signing of contracts, authorizations, and other essential documents for academic administration. Promote effective document management, providing a streamlined and modern experience for students, teachers, and administrative staff.

Private companies

Our electronic signature and document management solution streamline workflows, reducing time spent on manual processes. Achieve greater productivity, promote document security, and ensure compliance with the General Data Protection Law (GDPR), providing an agile experience for your clients and collaborators.

Did you know that digital signature is the safest and most efficient way to validate electronic documents?

By using digital certificates issued by a Certification Authority, it is possible to ensure the signer's identity and the document's integrity. Physical signatures can be forged, compromising the validity of your documents. However, digital signatures, regulated by Provisional Measure No. 2.200-2/2001, provide the necessary security to protect the authenticity and legal validity of your documents.

Transform your processes with more security and efficiency

Security

Encrypted signatures that guarantee the integrity of your documents.

Speed

Sign and send documents in seconds, from anywhere in the world.

Sustainability

Contribute to a greener world by eliminating the use of paper.

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FAQ

Any Questions? Answered

LibreSign frequently asked questions

LibreSign allows documents to be signed securely and with legal validity, since the system generates hashing - an algorithm that ensures that the file has not been altered after being signed - as well as numbers and records the times of each signature carried out in the document. In this way, the system meets all the requirements of the GDPR - General Data Protection Law.
Electronic signature capture is a technology for signing electronic document files with a handwritten signature. The use of this technology allows for the elimination of the mailing, storage, filing, copying, and retrieval of paper documents. This will save your business time and money.
File Creation, Signature with Digital Certificate, Signature Management, Document Management, Validation, API
No. The digitized signature is the reproduction of the handwritten signature as an image using scanner-type. It does not guarantee the authorship and of the electronic document, as there is no association between the signer and the text, as it can be easily copied and inserted another document.
LibreCode, a Brazilian cooperative of free software developers.
CONTACT US

Let’s talk about digitally signing your documents!

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