Garnet is a remote cache-store from Microsoft Research
Backup and Recovery Manager for PostgreSQL
Database Replication, Filtered Synchronization, and Transformation
Adhoc Data Exploration - Live & Easy
Free data acquisition and data visualization cross-platform software
Remote JDBC access through HTTP
Stream your music over the net
Automated MySQL db backup
Real-time data acquisition and visualization software
JDBC Network Driver
You can admin a SQL Server with php, like PHPMyAdmin for MySQL