- [BounCA](https://bounca.org/) - A personal SSL Key / Certificate Authority web-based tool for creating self-signed certificates. `Apache-2.0``Python`
- [easy-rsa](https://github.com/OpenVPN/easy-rsa) - bash script to build and manage a PKI CA. `GPL-2.0``bash`
- [openxpki](https://github.com/openxpki/openxpki) - A software stack based on perl and openssl to run a PKI/trust center with an enterprise-grade feature set. `Apache-2.0``perl`
- [Smallstep Certificates](https://smallstep.com/certificates/) - A private certificate authority (X.509 & SSH) and related tools for secure automated certificate management. `Apache-2.0``go`
- [Smallstep Certificates](https://smallstep.com/certificates/) - A private certificate authority (X.509 & SSH) and related tools for secure automated certificate management. `Apache-2.0``Go`
- [TinyPki](https://github.com/deleteonerror/tinyPKI) is a compact and secure PKI, designed for Home, Lab, and Development environments, enabling you to effortlessly create a Root Certificate Authority and generate certificates to fulfill various requirements. `MIT``Go`