KSqlAnalyzer is a tool for easy accessing the data of a MS-SQL-Database. The functionality and the look&feel are similar to the program 'SQL-Query-Analyzer' written by Microsoft.
mysqldiff is a Perl script which compares the data structures (i.e. table definitions) of two MySQL databases and returns the differences as a sequence of MySQL commands suitable for piping into mysql which will transform the structure of the first database to be identical to that of the second.
ConceptBase a multi-user deductive object manager mainly intended for conceptual modeling and coordination in design environments. Requieres registration on the page of project.
Another PostgreSQL Diff Tool (also known as apgdiff) is free PostgreSQL diff tool that is useful for comparison/diffing of database schemas. The tool compares two database dump files and creates output with DDL statements that can be used to update old database schema to new one or to see in what both databases differ.
ThinkUI SQL Client is designed for Java™ developers who needs to work with multiple databases and would like to a tool with features that will improve their productivity and help reduce the tedious nature of software development.
Daffodil DB is a J2EE-certified, JDBC 3.0 and SQL 99 compliant Java database. It has been designed to handle complex computing environments that demand a robust, scalable and high-performance RDBMS that can operate across platforms. Daffodil DB comes with support for PHP, User Defined Functions, Scalar Functions, Triggers, MVCC and many other enterprise level features.
Coral is objective of the CORAL project is to develop a robust and efficient deductive database system, and to investigate its use in various application domains.
The best developer's and/or admin's GUI tool for Sqlite3 in the world. No joking here (or just a bit only) - it contains the most complette feature set of all tools available.