Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Knack - Knack is the easiest, most spectacular business management software available.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.