IBExpert
- Commercial IDE for Windows, free version for personal use available.
- http://www.hk-software.net/ibexpert.com/

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

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

XTG Systems: Firebird ODBC
- Provides a free driver for Win32. A Linux version is being developed. Includes news, FAQ and download. [LGPL]
- http://www.xtgsystems.com/linux/ofbodbc/about.php

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/

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

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

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

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

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