Firebird

Borland Community
Devoted to all aspects of the Borland developer community.
http://community.borland.com/

Fingerbird.de - Fingerman's door to Firebird
Complete overview with actual news, links and publications about Firebird.
http://www.fingerbird.de/

Firebird - Developer Site
Official Developer Site with the complete sources.
http://www.firebirdsql.org

Firebird (database server): encyclopedic explanation
Short introduction to Firebird.
http://explanation-guide.info/meaning/Firebird-(database-server).html

Firebird (InterBase: IBPhoenix)
Information, Downloads and Tools for FireBird.
http://www.ibphoenix.com/

Firebird JDBC-InterClient
Download site and actual project information.
http://sourceforge.net/projects/firebird/

Gemini InterBase ODBC Driver
Firebird ODBC driver for using in desktop office productivity tools, 2 and 3-tier middleware software, web-platforms on Windows operation systems [commercial].
http://www.ibdatabase.com/

ibWebAdmin
PHP-based open-source web frontend for InterBase and Firebird, (similar to phpMyAdmin).
http://www.ibwebadmin.net

InterBase World - InterBase / Firebird portal
Interviews, news, technical articles and other useful information about InterBase and Firebird.
http://www.interbase-world.com

Marathon SQL-Tool
Open source SQL-tool for Firebird.
http://gmarathon.sourceforge.net