phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields.
phpMyAdmin vs MySQL Workbench opinions
DbNinja is a powerful web-based solution for secure and efficient management of remote MySQL database servers.
DbNinja vs MySQL Workbench opinions
mysql workbench is used mostly for querying and managing the databases - wherease db ninja is more specifically purposed to manage the databases, with less (or no) focus on querying the data contained therein.
Quick DBD is a free online web-based application for making database diagrams quickly. Quick DBD lets you create a database diagram by typing the schema.
SelectFrom is a webbased MySQL client which is inspired by tools such as PhpStorm. It lets you fly through your database by making it easy to navigate through your databases and quickly find the data you are looking for.
Online tool for visual database design. This one web application support seven major database engines: PostgreSQL, MySQL, Microsoft SQL Server, SQLite, Oracle 11g, IBM DB2 and HSQLDB.
Sypex Dumper [saipeks d?mper] is a software product (PHP-script), which can help you create a backup (dump) of a MySQL database, and also restore the database from the backup if needed.This app doesn't have any features at the moment.Discontinued
Last version from 2013-08-28, but it is still available, there is a free and a paid version.