Alternatives to Clef logo

Alternatives to Clef

OpenSSL, Let's Encrypt, Ensighten, Spring Security, and Sqreen are the most popular alternatives and competitors to Clef.
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What is Clef and what are its top alternatives?

Clef is secure two-factor — built for consumers. Easy to use, integrate, and pay for.
Clef is a tool in the Security category of a tech stack.

Clef alternatives & related posts

OpenSSL logo

OpenSSL

4.5K
364
0
4.5K
364
+ 1
0
Full-featured toolkit for the Transport Layer Security and Secure Sockets Layer protocols
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    OpenSSL logo
    OpenSSL
    VS
    Clef logo
    Clef
    Let's Encrypt logo

    Let's Encrypt

    1.3K
    831
    89
    1.3K
    831
    + 1
    89
    A free, automated, and open Certificate Authority (CA)
    Let's Encrypt logo
    Let's Encrypt
    VS
    Clef logo
    Clef
    Ensighten logo

    Ensighten

    395
    1
    0
    395
    1
    + 1
    0
    Cybersecurity solution providing client-side protection
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      Ensighten logo
      Ensighten
      VS
      Clef logo
      Clef
      Spring Security logo

      Spring Security

      135
      90
      0
      135
      90
      + 1
      0
      A powerful and highly customizable authentication and access-control framework
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        Spring Security logo
        Spring Security
        VS
        Clef logo
        Clef
        Authy logo

        Authy

        95
        76
        1
        95
        76
        + 1
        1
        The easiest way to add Two-Factor Authentication to any website or app.
        Authy logo
        Authy
        VS
        Clef logo
        Clef
        AWS WAF logo

        AWS WAF

        55
        35
        0
        55
        35
        + 1
        0
        Control which traffic to allow or block to your web application by defining customizable web security rules
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          AWS WAF logo
          AWS WAF
          VS
          Clef logo
          Clef
          OpenSSH logo

          OpenSSH

          37
          13
          0
          37
          13
          + 1
          0
          Free suite of tools that help secure your network connections
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            OpenSSH logo
            OpenSSH
            VS
            Clef logo
            Clef
            Castle logo

            Castle

            27
            30
            0
            27
            30
            + 1
            0
            Track security events or any unstructured data from your web backend or mobile app, and Castle will look...
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              Castle logo
              Castle
              VS
              Clef logo
              Clef
              Google reCaptcha logo

              Google reCaptcha

              23
              6
              0
              23
              6
              + 1
              0
              A free service that protects your website from spam and abuse
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                Google reCaptcha logo
                Google reCaptcha
                VS
                Clef logo
                Clef
                pfSense logo

                pfSense

                17
                9
                0
                17
                9
                + 1
                0
                An open source firewall/router computer software distribution
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                  pfSense logo
                  pfSense
                  VS
                  Clef logo
                  Clef
                  Fail2ban logo

                  Fail2ban

                  14
                  7
                  0
                  14
                  7
                  + 1
                  0
                  An intrusion prevention software framework
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                    Fail2ban logo
                    Fail2ban
                    VS
                    Clef logo
                    Clef
                    AWS Shield logo

                    AWS Shield

                    14
                    21
                    0
                    14
                    21
                    + 1
                    0
                    Managed DDoS Protection
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                      AWS Shield logo
                      AWS Shield
                      VS
                      Clef logo
                      Clef
                      Duo Security logo

                      Duo Security

                      12
                      13
                      0
                      12
                      13
                      + 1
                      0
                      Verifies the identity of your users with two-factor authentication
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                        Duo Security logo
                        Duo Security
                        VS
                        Clef logo
                        Clef
                        Detectify logo

                        Detectify

                        12
                        29
                        3
                        12
                        29
                        + 1
                        3
                        Simulate automated hacker attacks on your website
                        Detectify logo
                        Detectify
                        VS
                        Clef logo
                        Clef
                        Ossec logo

                        Ossec

                        9
                        6
                        0
                        9
                        6
                        + 1
                        0
                        A Host-based Intrusion Detection System
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                          Ossec logo
                          Ossec
                          VS
                          Clef logo
                          Clef
                          Tinfoil Security logo

                          Tinfoil Security

                          8
                          8
                          0
                          8
                          8
                          + 1
                          0
                          Routine scans of your website’s security health and vulnerabilities
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                            Tinfoil Security logo
                            Tinfoil Security
                            VS
                            Clef logo
                            Clef
                            Veracode logo

                            Veracode

                            8
                            5
                            0
                            8
                            5
                            + 1
                            0
                            A simpler and more scalable way to increase the resiliency of your global application infrastructure
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                              Veracode logo
                              Veracode
                              VS
                              Clef logo
                              Clef
                              Checkmarx logo

                              Checkmarx

                              7
                              9
                              0
                              7
                              9
                              + 1
                              0
                              Unify your application security into a single platform
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                                Checkmarx logo
                                Checkmarx
                                VS
                                Clef logo
                                Clef
                                Cilium logo

                                Cilium

                                7
                                17
                                0
                                7
                                17
                                + 1
                                0
                                API-aware networking and security for containers
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                                  Cilium logo
                                  Cilium
                                  VS
                                  Clef logo
                                  Clef