CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Helping users to quickly understand SQL queries
Database monitoring agent for zabbix
Lightweight DB programming API for PHP and multiple DB engine targets.
Php classes for use with different databases.
Uniform Database Abstraction for PHP Development
You can admin a SQL Server with php, like PHPMyAdmin for MySQL
A complete database front-end written in PHP.