25-April-2026 - Firebird VIP Seminar in Sao Paulo, Brazil (in Portuguese) On April 25th, Alexey Kovyazin, CEO of IBSurgeon and also Vice President of the Firebird Foundation, and Edson Gregorio, CEO of MQFS, will be hosting the Firebird VIP Seminar (em Portuguese) in São Paulo/SP!
Firebird: The true open source database for Windows, Linux, Mac OS X ...
Press Release (Firebird 2.5.0): English | Deutsch | Español | Polska | Việt | 日本語 | Română | Français Firebird 2.5.9 Release Notes (PDF available) Brief description of new features in Firebird 2.5 For more details about Firebird 2.5 architectures please look at the Firebird 2.5 Architecture Comparison document.
Discontinued versions can be found here. Find essential tools (encryption, recovery, reporting, etc) and services (optimization, recovery) in our FirebirdSQL shop. Your purchases directly fund FirebirdSQL’s growth while keeping it freely available.
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 zone support, timeouts for connections and statements.
Firebird 5.0 introduces improvements in areas of performance, multithreaded processing (including backup, restore, sweep), SQL queries profiling, with better scalability and numerous enhancements in SQL language.
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, and powerful language support for stored procedures and triggers.
Firebird Books — descriptions and links for purchasing several books devoted to Firebird. Drivers Documentation — this section contains documents and links to documentation sets for Firebird drivers. Third-Party Docs and Articles — a collection of various articles devoted to Firebird.