OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

Tailwind is a utility-first CSS framework.

PHP is a general-purpose scripting language used for web development.

Apache is a free and open-source cross-platform web server software.

CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).

Vercel is a cloud platform for static frontends and serverless functions.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.