FaaS
Function as a service (FaaS) is a cloud computing model that enables developers to create and run small, modular pieces of code, known as functions, in response to specific events or triggers.
Web3Forms
Web3Forms is a simple tool to set up Contact Forms for Static Websites. Receive form submissions directly in your email inbox without any server or back-end code.
I came across Web3Forms in this article while looking up solutions to contact forms for static sites.
PostGraphile
PostGraphile builds a powerful, extensible and performant GraphQL API from a PostgreSQL schema in seconds.
