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OpenSSL Alternatives

OpenSSL is described as 'framework which implements the secure socket layer. It ships with a program/library which gives you access to all those functions' and is an app in the network & admin category. There are nine alternatives to OpenSSL for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is LibreSSL, which is both free and Open Source. Other great apps like OpenSSL are GnuTLS, SimpleAuthority, Themis and SecureBlackbox®.

This page was last updated Oct 21, 2021
OpenSSL
  33
  • FreeOpen Source
  • Mac
  • Windows
  • Linux
  • BSD
  • Haiku

OpenSSL is a framework which implements the secure socket layer. It ships with a program/library which gives you access to...

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  1. LibreSSL

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD

    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.

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    LibreSSL vs OpenSSL opinions
    pros, cons and recent comments

    Cleaned up. Removed crap like SSL, SHA-0 and many other things.

    Positive comment over 2 years ago
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  2. GnuTLS

    • FreeOpen Source
    • Windows
    • Linux

    GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the SSL, TLS and DTLS protocols.

    No screenshots yet


  3. SimpleAuthority

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux

    SimpleAuthority generates standards-compliant keys and certificates suitable for use in almost any security application. These applications include, but are not limited to:

  4. Themis

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad

    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.

    No screenshots yet
  5. SecureBlackbox®

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad

    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 /n software website to get the complete list of...

    No screenshots yet


  6. mbed TLS

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • BSD

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

    No screenshots yet
  7. Network Security Services

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Network Security Services (NSS) comprises a set of libraries designed to support cross-platform development of security-enabled client and server applications with an option support for hardware SSL acceleration on the server side and hardware smart cards on the client side.

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  8. wolfSSL

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad

    wolfSSL offers an embedded SSL implementation that is portable, progressive, and easy to use with products including the wolfSSL embedded SSL library and the wolfSSL Embedded Web Server.

    No screenshots yet
  9. SharkSSL

    • Free PersonalProprietary
    • Windows

    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. The download includes many C source code examples, including a secure WebSocket tutorial.

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