



Nagios is described as 'Powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT infrastructure issues' and is a popular Network Monitor in the network & admin category. There are more than 100 alternatives to Nagios for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Mac apps. The best Nagios alternative is Zabbix, which is both free and Open Source. Other great apps like Nagios are Netdata, Icinga, Datadog and Cockpit Project.




ATSD is purpose-built for analyzing and reporting on massive volumes of time-series data collected at high frequency. Features include data analytics, visualization, data forecasting, reporting, alerting. All in one product built for big data.

Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.




The alerta monitoring system is a tool used to consolidate and de-duplicate alerts from multiple sources for quick ‘at-a-glance’ visualisation. With just one system you can monitor alerts from many other monitoring tools on a single screen.


It works by combining Elasticsearch with two types of components, rule types and alerts. Elasticsearch is periodically queried and the data is passed to the rule type, which determines when a match is found.
UISP is Ubiquiti Network's management platform for all UISP, LTU, airMAX, airFiber devices. It also includes built in CRM and billing for ISPs.




RPi-Monitor is a software designed to monitor the metrics from GNU/Linux system and connected peripherals. It store statistic into local Round Robin Database and embed a web server allowing to display current status and statistics.




Middleware is a full stack cloud observability platform to bring all metrics, logs, and traces in one unified timeline to debug issues faster.




Trafikito is free Linux servers monitoring solution which by default checks RAM, disk space, CPU and sends you an email if something is wrong.




Health checking for any application and infrastructure written in any language inc. BASH, Python, PHP, Perl - riotkit-org/infracheck

Server Monitoring and Down Alerts made easy! WIndows, Linux & macOS Monitor servers easily and receive alerts on CPU, RAM or downtime.
