Envoy is an open-source edge and service proxy, designed for cloud-native applications.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
FirstPromoter is a software platform that helps businesses to create, manage and track their affiliate marketing programs.
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.