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.

LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC

Ragic - World's most advanced online database engine. Build powerful online databases with simple Excel style online interface.

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.