Uptime Web

UpTimeWeb is a simple, clean, easy to use powerful monitoring system without the “bloat”, that is easy to use thanks to our no-nonsense User Interface. The system itself...

Free Personal Mac OS X Windows Linux Android Web

AppDynamics

The AppDynamics platform gives today’s software-defined businesses the ability to analyze and optimize digital business performance in real time.

Free iPhone

SiteMonitor

SiteMonitor will monitor your websites/hosts at regular intervals and notifies you when something happens.

Commercial Windows

AppSignal

Monitoring for Ruby developers. All the metrics and alerts you need to keep your app running smooth. Support for Rails, Rack, Sinatra, Padrino & Grape.

Commercial Mac OS X Windows Linux BSD

ServersUp.net

ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change.

Free Web