LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Grubba.net - The free web based online database for home and office.
Matrify - Manage information in tables.
Knack - Knack is the easiest, most spectacular business management software available.
XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.