Firebird: A Fast, Reliable, and Easy-to-Use Relational Database Management System

Firebird is a free, open-source relational database management system that is designed to be fast, reliable, and easy to use. It is a fork of the original Mozilla Firefox codebase, which was created by Michael C. Wells in 2005. Firebird is written in C and has a small footprint, making it suitable for embedded systems and other applications where resource constraints are a concern.

Firebird offers many features that are similar to those found in other relational databases, such as support for SQL queries, transactions, and stored procedures. It also has a number of unique features, such as its ability to run on Windows, Linux, and macOS platforms, and its support for multiple storage engines, including the InnoDB and B-tree engines.

Firebird is widely used in a variety of applications, including web development, embedded systems, and scientific research. It is also popular among developers who are looking for a lightweight, open-source alternative to more established relational databases like MySQL or PostgreSQL.