Alternatives to SecureBlackbox for all platforms with Open Source License

  • 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...

    Free Open Source Mac Windows Linux Haiku

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    OpenSSL icon
  • GnuTLS

    GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the SSL, TLS and DTLS protocols. It offers an application programming interface...

    Free Open Source Windows Linux

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    GnuTLS icon


Show 9 less popular platforms