The Best 9 GnuTLS Alternatives

  • OpenSSL icon

    OpenSSL

    OpenSSL is a framework which implements the secure socket layer. It ships with a program/library which gives you access to all those functions. With this program you can create, check or view x509 certificates.

    Free Open Source Mac OS X Windows Linux Haiku

  • LibreSSL icon

    LibreSSL

    LibreSSL is a version of the TLS/crypto stack forked from OpenSSL in 2014, with goals of modernizing the codebase, improving security, and applying best practice development processes.

    Free Open Source Mac OS X Windows Linux BSD

  • Themis icon

    Themis

    Themis is a cryptolibrary, providing high-quality security services for secure messaging and encrypted storage. Themis is aimed at modern development practices, with wrappers for Ruby, Python, PHP, Java / Android and iOS / OSX.

    Free Open Source Mac OS X Windows Linux Android iPhone iPad

    Portable Encrypted chat Encrypted Connection
  • mbed TLS icon

    mbed TLS

    mbed TLS (formerly known as PolarSSL) makes it trivially easy for developers to include cryptographic and SSL/TLS capabilities in their (embedded) products, facilitating...

    Free Mac OS X Windows Linux Android BSD

  • Network Security Services icon

    Network Security Services

    Network Security Services (NSS) comprises a set of libraries designed to support cross-platform development of security-enabled client and server applications with an...

    Free Open Source Mac OS X Windows Linux

  • wolfSSL icon

    wolfSSL

    wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. http://www.wolfssl.com .

    Free Open Source Mac OS X Windows Linux Android iPhone

    Lightweight Embeddable
  • SecureBlackbox icon

    SecureBlackbox

    SecureBlackbox is a library (suite of components and classes) for software developers that allows them to provide secure data transfer and storage, digital signing and verification, encryption and compression (please refer to EldoS website...

    Commercial Mac OS X Windows Linux Android iPhone Android Tablet iPad

  • SharkSSL icon

    SharkSSL

    The SSL/TLS and Certificate tutorial for Windows enables you to fast track your understanding of the SSL/TLS protocol, Certificate Management, and secure communication....

    Free Personal Windows