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Meet the team

The people behind LibreSign

We are a passionate cooperative team dedicated to building open source electronic signature software. We believe data sovereignty matters — our software is free, self-hostable, and privacy-first.

Crisciany Silva

Software Engineer

I'm a Developer. I currently study the PHP language with a focus on the Laravel framework. I have professional experience in PHP on a web-oriented system and some system maintenance such as screen creation, reports with jasper reports and mpdf and system versioning with git.

Daiane Alves

CEO

CEO at LibreCode, one of the largest Free Software cooperatives in Brazil, she teaches training courses on various free software programs, from basic to enterprise level, and contributes to the organization of events in the PHPRio and PHPWomenBR communities (PHP developer communities).

Vitor Mattos

CTO

With over 20 years of experience as CTO of LibreCode, is a Zend Certified Engineer and expert in PHP, Linux, and FLOSS solutions. Passionate about technology, is an entrepreneur in the IT field and an activist for privacy. As a strong advocate for open-source software, frequently speaks at regional and national events, demonstrating his commitment to sharing knowledge, promoting the adoption of open technologies, and emphasizing the importance of privacy.