Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Knack - Knack is the easiest, most spectacular business management software available.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
QuintaDB - Solution for creating web forms and databases online where no progamming is required.
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA