ntfy is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, and/or using a REST API.

curl \
  -d "Backup successful 😀" \
  ntfy.sh/mytopic

Free notifications!

A Genealogy of Technology and Power Since 1500

Very detailed visualisation of technology, science and culture that lead to the current state of world.