1)   PostgresDAC 2.4.1
PostgresDAC is PostgreSQL BDE replacement for Delphi 4-6 and BCB 5. It allows to create Delphi/BCB5 applications with direct access to PostgreSQL DB without BDE and ODBC. Interface is BDE-like and TDataSet compatible. JPEGs in BLOBs are supported.

 2)   InterBase Data Access Components 2.20
IBDAC is a VCL/VCL.NET/CLX component library for fast direct access to InterBase, Firebird, and Yaffil servers from Delphi, C++Builder, and Kylix. Includes full support for server data types and functionality, Disconnected Model and Local failover.

 3)   MySQL Data Access Components 5.20
MyDAC is an enhanced VCL/VCL.NET/CLX library for fast direct access to MySQL from Delphi, C++Builder, and Kylix. Includes full support for all MySQL data types, Disconnected Model, Local Failover, automatic data update functionality, and much more.

 4)   Oracle Data Access Components 6.20
ODAC is a VCL/VCL.NET/CLX component library for fast direct access to Oracle from Delphi, C++Builder, and Kylix. Includes comprehensive support for Oracle functionality, including Oracle TAF, Advanced Queuing, and distributed transactions.

 5)   SQL Server Data Access Components 4.30
SDAC is a VCL/VCL.NET/CLX component library for fast direct access to SQL Server from Delphi and C++Builder. Supports all SQL Server data types and functionality, including MARS, bulk copy operations and reliable messaging.

 6)   Data Access Components for MySQL 5.20
MyDAC is an enhanced VCL/VCL.NET/CLX library for fast direct access to MySQL from Delphi, C++Builder, and Kylix. Includes full support for all MySQL data types, Disconnected Model, Local Failover, automatic data update functionality, and much more.