TestSSL Alternatives

TestSSL is described as 'Testing TLS/SSL encryption anywhere on any port' and is an app. There are seven alternatives to TestSSL for a variety of platforms, including Web-based, Linux, SaaS, Self-Hosted and Mac apps. The best TestSSL alternative is Qualys SSL Server Test, which is free. Other great apps like TestSSL are Security Headers, Watch My SSL, CodePhantom and CryptCheck.

TestSSL iconTestSSL
  1
  • Free • Open Source
  • ...

Testing TLS/SSL encryption anywhere on any port.

More about TestSSL
More about TestSSL
TestSSL alternatives page was last updated Feb 17, 2025
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  1. Qualys SSL Server Test icon

    Qualys SSL Server Test

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    This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet. Please note that the information you submit here is used only to provide you the service. We don't use the domain names or the test results, and we never will.

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Qualys SSL Server Test screenshot 1

    Qualys SSL Server Test Features

    1.  Security Testing
    2.  SSL
    3.  SMTP Support

    Qualys SSL Server Test VS TestSSL

     

    • Qualys SSL Server Test is the most popular Web-based alternative to TestSSL.

    • Qualys SSL Server Test is the most popular free alternative to TestSSL.

    • Qualys SSL Server Test is Free and ProprietaryTestSSL is Free and Open Source
  2. Security Headers icon

    Security Headers

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    Quickly and easily assess the security of your HTTP response headers.

    10 Security Headers alternatives

    License model

    • Free • Proprietary

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Software as a Service (SaaS)

    Security Headers Features

    1.  Security Testing

    Security Headers VS TestSSL

     

    • Security Headers is the most popular SaaS alternative to TestSSL.

    • Security Headers is Free and ProprietaryTestSSL is Free and Open Source
  4. Watch My SSL icon

    Watch My SSL

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    Watch My SSL is a service that monitors the SSL certificates of your domains to ensure they do not expire unexpectedly. Receive notifications before SSL certificate expiry and monitor multiple domains and subdomains.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    Monitoring multiple SSL certificates at once so you don't lose your mind.

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Ad-free
    2.  Website Monitoring
    3.  Dark Mode
    4.  Server Monitoring

    Watch My SSL VS TestSSL

     
  5. CodePhantom icon

    CodePhantom

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    CodePhantom is a cutting-edge security scanning platform that empowers developers, DevOps teams, and businesses to maintain robust website security. Our automated platform performs comprehensive analysis of security headers, SSL/TLS configurations, DNS settings, and port...

    License model

    Platforms

    • Online
    CodePhantom screenshot 1

    CodePhantom VS TestSSL

     

    • CodePhantom is the most popular commercial alternative to TestSSL.

    • CodePhantom is Paid and ProprietaryTestSSL is Free and Open Source

  6. CryptCheck

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    CryptCheck is a Ruby toolbox that help anybody to check for cryptography security level and best practices compliance.

    License model

    • Free • Open Source

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)

    CryptCheck Features

    1.  SMTP Support
    2.  Security Testing
    3. XMPP icon  Supports XMPP
    4.  SSL

    CryptCheck VS TestSSL

     

    • CryptCheck is the most popular Self-Hosted alternative to TestSSL.

    • CryptCheck is the most popular Open Source alternative to TestSSL.

    • CryptCheck is Free and Open SourceTestSSL is also Free and Open Source

  7. CipherScan

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    Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations, TLS options, OCSP stapling and more. Cipherscan is a wrapper above the openssl s_client command line.

    License model

    • Free • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux

    CipherScan Features

    1.  IMAP Support
    2.  Security Testing
    3.  POP3 Support
    4.  SMTP Support
    5. XMPP icon  Supports XMPP
    6.  SSL

    CipherScan VS TestSSL

     

    • CipherScan is the most popular Linux alternative to TestSSL.

    • CipherScan is Free and Open SourceTestSSL is also Free and Open Source
  9. CryptoLyzer icon

    CryptoLyzer

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    As the project name CryptoLyzer implies, it is a cryptographic protocol analyzer. The main purpose of creating this

    License model

    • Free • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Security-focused

    Features

    1.  Security Testing
    2.  POP3 Support
    3.  SSL
    4.  IMAP Support

    CryptoLyzer VS TestSSL

     

    • CryptoLyzer is the most popular Windows & Mac alternative to TestSSL.

    • CryptoLyzer is Free and ProprietaryTestSSL is Free and Open Source
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