HistoryWindow for Visual Studio 1.0 (by Quest Software)
Save Historical versions of your source code edits. So you don't loose changes.

SQL Optimizer for Visual Studio 1.5 (by Quest Software)
Optimize SQL Server Queries in Visual Studio

CompareRocket for Visual Studio 1.5 (by Quest Software)
Compare and Synchronize SQL Server in Visual Studio

Toad for MySQL 2.0.1 (by Quest Software)
Toad for MySQL provides a development environment that improves productivity

Spotlight on MySQL 2.0.1 (by Quest Software)
Spotlight on MySQL diagnoses performance issues by displaying all DB activity

Benchmark Factory for Databases Freeware 4.7.1 (by Quest Software)
Database Performance and Scalability Testing for Oracle, SQL Server, Sybase, DB2

SQL Developer 1.0 (by Guru Developers)
Develop and execute SQL scripts with any DB: Oracle, MS SQL, DBF, Paradox, etc

CASE Studio 2 v 2.23 (by CHARONWARE s.r.o.)
Create ER diagrams for various databases, generate SQL scripts, HTML reports...

blueshell Data Guy 2.03.0001 (by HvB Computer Engineering)
Universal database editor for Jet (ISAM, Access), Oracle, SQL Server.. using ADO

Database Assistant 4.1 (by Markosoft Inc)
Manipulate data from a variety of databases including Oracle, SQL Server, et al

Magic DB Explorer 2.5 (by Magic Software)
ADO based database explorer for all databases

dbQwikEdit PRO 3.0 (by TheDevShop Ltd.)
Multi-database SQL Builder tool for queries, table and data management.

Free Database Compare 2.0 (by StarInix Software)
Compares the structure of two SQL Server, MySQL or access databases.

Visual SQL-Designer 4.01 (by VisualSoft)
Visual SQL-Designer - for construct sql query on more differ DBMS

XMark 7.0 (by Dacris Software)
Tests the performance of the components in your PC and optimizes accordingly.

Visual Build Professional 6.1 (by Kinook Software, Inc.)
The build management solution for Windows and web developers

Team Coherence 7.2.0.04 (by Quality Software Components Ltd)
Flexible and Cost Effective Version Control and Issue Tracking Solution

OmniAudit 1.8 (by Krell Software, Inc.)
OmniAudit allows you to track changes to data in any table for MSSQL 7/2000.

EventStudio Sequence Diagram Designer 2.5 (by EventHelix.com Inc.)
Sequence Diagram Based System Modeling and Design Tool

Syncro SVN Client 2.0 (by SyncRo Soft Ltd)
Syncro SVN Client is a cross platform Subversion client.