SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
Ragic - World's most advanced online database engine. Build powerful online databases with simple Excel style online interface.
Toad Edge - Windows GUI for MySQL. SQL Syntax Check. Freeware (Basic Features) & Payware (Extended Features).
BizTalk360 - BizTalk360 is a web based production support/monitoring tool for Microsoft BizTalk Server.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
DbNinja - Web-based application for secure and efficient management of MySQL database servers