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.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Tiny Slider is a vanilla javascript slider for all purposes.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.
Reveal CSS animation as you scroll down a page.