MS SQL Server is usually affected by large size of .MDF files, small CPU memory, file I/O error, locking etc. For best performance, continuous SQL Server Performance Monitoring is important. Lepide SQL Storage Manager is a free tool for this purpose.
EMS SQL Manager for InterBase/Firebird Freeware is a powerful tool for InterBase and Firebird database administration and development. SQL Manager is compatible with any InterBase and Firebird database management systems version up to the newest one.
A solution for managing SQL Server partitioned tables. The tool enables you to merge, split and switch partitions. Besides, it enables you to partition already existing tables with data in order to move subsets of data quickly and efficiently.
EMS SQL Manager for DB2 Freeware is a high performance tool for DB2 database administration and development. SQL Manager supports all DB2 objects/data types and offers plenty of powerful DB2 tools.
Rapid Query is a database (administration tool) manager supporting Access, MySQL, PostgreSQL, SQL Server, Oracle databases and ODBC sources. It has autocomplete and modern user interface. Connects to each database using native protocols.
EMS SQL Manager for MySQL Freeware is a high performance tool for MySQL database administration and development. It works with any MySQL versions from 3.23 to the newest one and supports all of the latest features including MySQL triggers, views, etc
SQL Digger is a very simple tsql search tool designed for Microsoft SQL Server. It enables you to search through all your SQL server database objects for any word in your TSQL statements. It works with SQL server 2000, 2005, 2008.