Apache is a free and open-source cross-platform web server software.
DatoCMS is a cloud-based headless Content as a service (CaaS) platform created to work with static websites, mobile apps and server-side applications of any kind.
Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Typekit is an online service which offers a subscription library of fonts.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.