RemoteHQ - Real-time collaboration for distributed teams
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.
Terrastruct - A diagramming tool for software architecture
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Diagrams for Mac - A diagram editor for visualizing structures and processes
Zabbix - Track, record, alert and visualize performance and availability of IT resources