Supabase - An open source Firebase alternative
Dataset Search - Making it easier to discover datasets. Made by Google.
Unbounded - Serverless NoSQL database you query with JavaScript
SnowyOwl - A user friendly tool to manage your dataset
pREST - A fully RESTful API from any existing PostgreSQL database written in Go
Linkclump - Linkclump is a tool related to productivity that allows users to speed up their analysis and capturing of links found on the web.