SQLite Diff is a graphical comparison tool for SQLite database files, comparing both the schema and the data. Schema results include comparisons of tables/columns, triggers, indexes and views.

ApexSQL Diff is a server based, high speed database comparison tool that will analyze the differences in tables, procedures, views, users etc between two Microsoft® SQL Server© databases in seconds.

This program compares two files. Files can be shown combined or side by side. Full diff, context diff or differences only. Color coding, line nos, search and print options.

Source # is a reliable and easy-to-use version control system that helps developers manage their source code. It tracks all changes made to your source code, and it has a SQL server source control system that tracks any DB changes.

PasDiff Pro is the syntax oriented diff tools for Delphi. With the help it you can easily and fast to clarify what changes were are introduced in the source texts of the program.

The FREE SimpleSQL Backup utility makes it easy for anyone to perform an immediate backup of a SQL Server database.

PowerDIFF for Oracle is a powerful and easy to use schema comparison tool for Oracle databases. It allows both visual comparisons and diff-and-merge operations. Output is done visually or as SQL difference script. Prices range from 290 to 490 EUR.

Foxy SQL Free allows you to execute SQL commands and queries against any database. Connections: Native, ODBC, ADO. Supported db: Oracle, MS SQL, IB, DB2, MySQL, PostgreSQL, Firebird, Sybase ASE... Features: tabular displaying of SQL queries and more.