GnuTLS
Mirror of official gnutls repository
...Developed as part of the GNU Project, it provides a robust framework for building secure client-server applications and services that require encrypted communication channels. The library includes implementations of widely used security standards and supports modern encryption algorithms, authentication mechanisms, and certificate management features. GnuTLS is frequently used in network servers, email systems, VPNs, and embedded systems where developers need reliable and standards-compliant TLS functionality. Because it is distributed as a programmable library rather than a standalone application, it integrates directly into software that needs secure network connections. ...