Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Liferay is an open-source company that provides free documentation and paid professional service to users of its software.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.