Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
Gravatar is a service for providing globally unique avatars.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
LiteSpeed is a high-scalability web server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
React is an open-source JavaScript library for building user interfaces or UI components.
XenForo is a PHP-based forum hosting program for communities that is designed to be deployed on a remote web server.