Astro is a new JavaScript-based static site builder.
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
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.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.