Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!

Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.

Sheep - Membership and events for SMEs and nonprofits

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