Top 20 open-source products relevant to Monitoring Tools and Performance Monitoring

Track, record, alert and visualize performance and availability of IT resources.

Open Source free

An open-source systems monitoring and alerting toolkit.

Open Source

Complete monitoring and alerting for servers, switches, applications, and services.

Open Source

Scout ♥ monoliths.

Open Source freemium

Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.

Open Source

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Open Source

Cacti is a complete network graphing solution. It provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features.

Open Source

Icinga is a fork of Nagios and is backward compatible.

Open Source

Glances is a cross-platform system monitoring tool written in Python. Written in Python, Glances will run on almost any plaftorm : GNU/Linux, FreeBSD, OS X and Windows.

Open Source

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty.

Open Source

Process Hacker is a feature-packed tool for manipulating processes and services on your computer.

Open Source

A fully featured network monitoring system that provides a wealth of features and device support.

Open Source

Real-Time Application & Performance Monitoring.

Open Source

Monitor your servers, containers, and applications, in high-resolution and in real-time.

Open Source freemium $3.0 / Monthly (Netdata Pro, $3 /Node /mo - Netdata Business, $4 /Node /mo )

PnP networked resource monitoring tool that can help to answer the what just happened to kill our performance.

Open Source

PHP Server Monitor is a script that checks whether your websites and servers are up and running.

Open Source

psutil is a module providing an interface for retrieving information on all running processes and...

Open Source

System monitoring dashboard for terminal.

Open Source

We deliver insights that put organizations back in control of their complex software apps.

Open Source

systemd is a replacement for the init daemon for Linux (either System V or BSD-style).

Open Source