dB Organizer Deluxe 

dB Organizer Deluxe allows you to organize and manage virtually any kind of information.
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DB Visual Architect for Windows 

DB Visual Architect is a database design tool that supports round-trip engineering between Class Diagram and source code, reverse database into ERD and generate Database and persistent source code for manipulating the DBMS in a lightweight manner.
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Teroid Data Source Browser 

.NET control displaying the schema of an OLE DB data source within a tree, list box or list view
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DB SynchroComp 

DB SynchroComp detects the differences between two SQL Server database schemas and generates the script to match the structure of these schemas. At the same time it maintains all data integrity in the database that is the subject of synchronization
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UncleOra for Oracle 

Fast multi-threaded SQL and PL/SQL tool with a script library and an advanced grid for developers and DBAs. PL/SQL editor; DB Object browser; bind variables; powerful grid; execution plan; popup w/ db objects; script import; DDL generator.
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Database Architect 

Define database tables, fields, references, and generate the database. When working with Database Architect, software developer defines database structure, drawing it directly in the program's window and generates the DB directly from the program
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