Performance Co-Pilot is described as '(PCP) provides a framework and services to support system-level performance monitoring and management. It presents a unifying abstraction for all of the performance data in a system, and many tools for interrogating, retrieving and processing that data' and is an app. There are four alternatives to Performance Co-Pilot for a variety of platforms, including Linux, Web-based, Mac, Self-Hosted and C (programming language) apps. The best Performance Co-Pilot alternative is Zabbix, which is both free and Open Source. Other great apps like Performance Co-Pilot are Netdata, Nagios and Datadog.