DBDesigner 4 is a visual database design system that integrates database design, modeling, creation and maintenance into a single, seamless environment.

MySQL free GUI tool for profiling SQL queries. The Neor Profile SQL is the solution for developers providing to profile the MySQL queries. This software allows the tracking of all queries to MySQL server from your application or website. The SQL profiler helpful use:

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Percona Toolkit is a collection of advanced open source command-line tools, to perform a variety of MySQL®, MongoDB® and system tasks that are too difficult or complex to perform manually. Before being acquired by Percona it was know as Maatkit.

Hemlock is a versatile database management tool that enables users to connect seamlessly to both SQL and MongoDB databases.

This tool allows you to draw and create database schemas (E-R diagrams) directly in browser, without the need for any external programs (flash). You only need JavaScript enabled. The Designer works perfectly in Mozillas (Firefox, Seamonkey), Internet Explorers (6, 7, 8), Safari...

Create logical and physical data models, compare and modify scripts, and reverse and forward engineer both databases and warehouse systems. Multi-platform rapid deployment to more than 20 different platforms.

TinyShell is ideal for anyone who wants command line access to their server, but is limited by HTTP access. Furthermore TinyShell comes with a native MySQL command line client, that some say is even better than MySQL’s own command line interface.