phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
dbMonitor - dbMonitor performs per-component tracing of commit, rollback, SQL statement execute, creating/destroying components, connection pooling events, etc.
Toad Edge - Windows GUI for MySQL. SQL Syntax Check. Freeware (Basic Features) & Payware (Extended Features).
Vty - Database Manager for Mysql, written with Php.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.