Naver Analytics is a Korean based analytics service.
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.
Salesforce Interaction Studio (formerly Evergage) is a cloud-based software that allows users to collect, analyze, and respond to user behavior on their websites and web applications in real-time.
Zendesk is a cloud-based help desk management solution offering customizable tools to build customer service portal, knowledge base and online communities.