Google Cloud PostgreSQL - Fully-managed database service
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
SQL query for CSV - SQL query for CSV helps people analyze large sets of csv records in a short time using declarative SQL syntax.
Supabase - An open source Firebase alternative
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA
Slack SQL - Execute SQL queries inside of Slack