Evercontact - Your contacts always up to date and automatically with Evercontact.

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.

CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.

Platypus - Realtime server monitoring and reporting

Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses

Nagios - Complete monitoring and alerting for servers, switches, applications, and services