The Firebird project has been highly active in recent months with numerous updates and releases. In July 2025, the project celebrated its 25th Anniversary, marking a quarter-century of development and …

Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, …

Firebird 4.0 introduces new data types and many improvements without radical changes in architecture or operation, the most important are: logical replication, longer metadata identifiers, international time …

Firebird 5.0 introduces improvements in areas of performance, multithreaded processing (including backup, restore, sweep), SQL queries profiling, with better scalability and numerous enhancements …

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The primary goals for Firebird 3.0 were to unify the server architecture and to improve support for SMP and multiple-core hardware platforms. Parallel objectives were to improve threading of engine …

Do you use Firebird? Become the Firebird Supporter now! Looking for the latest Firebird? Go to the Firebird 5.0 download page. Please note that 2.5 does not support modern Linux version (see more …

The Firebird Project supplies users, developers, and administrators with various kinds of documentation, from Quick Start guides to expert-level articles devoted to various aspects of Firebird.

If you are in the common situation of running Windows clients to a Linux or other Unix-like Firebird server (or another Windows machine), you need to download the full Windows installation kit that …

Firebird SQL: The true open-source relational database