CASE Studio 2 

Powerful database design tool which allows you to visually create Entity Relationship Diagrams (ERD) for various database systems - Oracle, DB2, MS SQL, MySQL, InterBase, Sybase etc. Features: ERD, SQL script generation, Reverse engineering...
case er diagram case studio database model design tool ddl sql script data flow reverse engineering

MSDE Manager 

Manage MSDE/SQL databases via an intuitive graphical interface and do all of the common operations that a typical deployment of MSDE/SQL would entail and much more besides. Add, edit and delete Databases, Tables, Views, Users, Rules, SP's & more.
msde database sql

Managed extensions for VCL 

Managed VCL is the best components suite for .Net interop in Delphi Win32 and C++ Builder. It is designed to provide a way to interact with applications written in anyone of .Net languages - C#, Visual Basic.Net, JScript.Net and others.
.net framework vcl interop