HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
ProvenExpert is a review based marketing platform that allows users to create customer surveys, provides aggregate reviews and ratings.
TYPO3 is a free and open-source Web content management system written in PHP.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.