Calendly is an app for scheduling appointments, meetings, and events.
Contentful is an API-first content management platform to create, manage and publish content on any digital channel.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Weblium let's you create a web site or online store without the need for a web developer or designer.