dbExpress is a database-independent layer that defines common interface to provide fast access to InterBase and Firebird databases from Delphi on Windows and Mac OS X for both 32-bit and 64-bit platforms. For these servers dbExpress provides a driver as an independent library that implements the common dbExpress interfaces for processing queries and stored procedures. As a thin and simple data-access layer dbExpress provides high performance database connectivity and is easy to deploy. dbExpress driver for InterBase and Firebird provides access to InterBase and Firebird databases. It directly uses InterBase client software to connect to server. dbExpress driver for InterBase and Firebird supports InterBase starting with the version 5.x and Firebird 2.x and 1.x version. The driver requires InterBase client to be installed on the client side.

Key features of dbExpress drivers:
* RAD Studio XE6 support
* Win64 development support
* Mac OS X development support
* Direct data access
* High performance
* Supports latest versions of servers
* All data types support
* Extended options for advanced behavior
* Ability of monitoring query execution with DBMonitor
* Source code available
* Licensed per a developer without royalty fee
* One year free support for registered users

Following development environments are supported by dbExpress drivers:
* Embarcadero RAD Studio XE6/XE5/XE4/XE3/XE2/XE
* Embarcadero RAD Studio 2010/2009/2007
* Borland Developer Studio 2006
* Borland Delphi 7/6
* Borland C++Builder 6