Alternative Commercial Software: Microsoft Access, SQL Server

Apache OpenOffice Base

Base is a fully featured desktop database management system, designed to meet the needs of a broad array of users, from tracking a personal CD collections, to producing a corporate monthly departmental sales reports.

Reference:
https://www.openoffice.org/product/base.html

Libre Office Base

Base is a full-featured desktop database front end, designed to meet the needs of a broad array of users. Base caters to power users and enterprise requirements, providing native-support drivers for some of the most widely employed multi-user database engines: MySQL/MariaDB, Adabas D, MS Access and PostgreSQL. In addition, the built-in support for JDBC- and ODBC-standard drivers allows you to connect to virtually any other existing database engine as well.

Reference
https://www.libreoffice.org/discover/base/

Firebird

Gaby

Kexi

Knoda

MySql

Novinyl

PostgreSQL

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