1)   Universal SQL Editor 1.1
Allows you connect any ODBC compliant databases and edit SQL queries and scripts with code completion, syntax highlighting, SQL formatting, plus other useful features that allow you to work more efficiently.

 2)   SQLExecMS 2.6
Unique all-in-one interface for management, tuning up, development and data manipulation. Consolidates a lot of SQL Server admin and debug features into one program. Great tool for MSDE admins. Could be used like a substitution for EM and QA.

 3)   Apex SQL Edit 2005.03
Apex SQL edit is an integrated SQL database editing tool/IDE. Apex SQL Edit provides source control integration with Visual Source Safe, Vault, Microsoft Team System and a variety of other source control systems.