Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Plone is a free and open source content management system (CMS) built on top of the Zope application server.
Python is an interpreted and general-purpose programming language.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.