Zabbix - Track, record, alert and visualize performance and availability of IT resources
MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).
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.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Prometheus - An open-source systems monitoring and alerting toolkit.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies