Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Craft CMS is a content management system for building bespoke websites.
Open Graph is a protocol that is used to integrate any web page into the social graph.
SEOmatic facilitates modern SEO best practices & implementation for Craft CMS 3.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.