Clicky is web an analytics tool which helps you to get real-time analysis including spy view.
ConvertKit is an email marketing tool built for content creators.
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.
Statamic is an open-source and self-hosted content management system based on the PHP programming language.