UI Movement - The best UI design inspiration, daily
Platypus - Realtime server monitoring and reporting
UI Garage - Specific mobile and web design patterns for your inspiration
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
UI Cloud - The largest user interface design database in the world
Nagios - Complete monitoring and alerting for servers, switches, applications, and services