Navicat - Powerful database management & design tool for Win, Mac & Linux. With intuitive GUI, user manages MySQL, MariaDB, SQL Server, SQLite, Oracle & PostgreSQL DB easily.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
SQuirreL SQL - SQuirreL SQL is an open-source Java SQL Client program for any JDBC compliant database
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
Better Uptime - We call you when your website goes down