Firebird

Firebird screenshots

A relational database offering many ANSI SQL standard features
ISQL
Firebird 2.5 beta : ISQL

Alternative downloads

DDEX Provider for Firebird
The DDEX data provider for Firebird provides access to the Firebird databases.
3.0.2
FREE
DBConvert for Firebird and MySQL
A reliable converter that imports Firebird databases to the MySQL server.
1.5.1
EMS Data Export for InterBase/Firebird
A tool that enables you to export InterBase/Firebird database data.
3.7