Apache is a free and open-source cross-platform web server software.
Calendly is an app for scheduling appointments, meetings, and events.
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.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Phoenix Site software has been developed by the Internet Marketing Union and is especially intended for entrepreneurs (without technical knowledge) who want to score better in Google (SEO) and get more leads and customers (conversion) from their website.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.