TrackJS JavaScript Error Logging - JavaScript Error Monitoring from TrackJS gives you context about what's happening in your end-users' browsers.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Bugfender - Cloud logging for your apps, not only crashes matter
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services