Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Hostinger is an employee-owned Web hosting provider and internet domain registrar.
LiteSpeed is a high-scalability web server.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
SmtpJS is a free library you can use for sending emails from JavaScript.