Download - Firebird 2.1.3

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.
Download: http://sourceforge.net/projects/firebird/files/firebird-win32/2.1.3-Release/Firebird-2.1.3.18185_0_Win32.exe/download