Blazor - An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
CloudBoost.io - One Complete Database Service that does data-storage, search,real-time and a whole lot more.
Flatfile - The new standard for data import
Supabase - An open source Firebase alternative
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.