CookieFirst is an GDPR and CCPA compliant consent management platform.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Sitecore provides web content management, and multichannel marketing automation software.
A modest JavaScript framework for the HTML you already have.