* [Samba](https://www.samba.org/) – Active Directory and CIFS protocol implementation.
* [BounCA](https://bounca.org/) - A personal SSL Key / Certificate Authority web-based tool for creating self-signed certificates.
* [easy-rsa](https://github.com/OpenVPN/easy-rsa) - bash script to build and manage a PKI CA.
+* [Smallstep Certificates](https://smallstep.com/certificates/) - A private certificate authority (X.509 & SSH) and related tools for secure automated certificate management.
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