NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
SolarWinds System Management - Performance monitoring and management for applications, Websites, servers, storage arrays and virtual infrastructure.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
Nodeping - NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.