Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
DigitalOcean Spaces is a cloud-based object storage service provided by DigitalOcean, a cloud infrastructure provider. It allows users to store and retrieve large amounts of data, such as images, videos, audio files, backups, and logs, using a simple RESTful API or a web-based graphical user interface (GUI).
GoatCounter is an open source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy to use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
Open Graph is a protocol that is used to integrate any web page into the social graph.