Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
QuintaDB - Solution for creating web forms and databases online where no progamming is required.
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Ragic - World's most advanced online database engine. Build powerful online databases with simple Excel style online interface.
Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.
AppGini - AppGini is a program that helps you develop web database applications instantly.