



Opsview Atom is described as 'Is ideal for personal use, SoHo setups, test or lab environments or just to get your hands dirty with all of Opsview's monitoring functionality!' and is a Network Monitor in the network & admin category. There are more than 25 alternatives to Opsview Atom for a variety of platforms, including Linux, Windows, Web-based, Mac and Self-Hosted apps. The best Opsview Atom alternative is Zabbix, which is both free and Open Source. Other great apps like Opsview Atom are Stats, iStat Menus, Nagios and Datadog.




Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Quickly identify and resolve issues in your hybrid cloud through intuitive workflows, system integrations, and unmatched out-of-the-box functionality.



Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. JavaScript, Ruby, Python, PHP, Node.js, Android, Flash, .NET, and Java libraries are available.



macOS menu bar utility written in SwiftUI that presents CPU, memory, disk, and network usage, plus Bluetooth battery levels, customizable Big Sur widgets, Dark Mode, and real-time sensor data. Open-source, lightweight, and compatible with Apple Silicon.

OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks.




Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven. Along with being able to maintain graphs, data sources, and Round Robin archives in a...




Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.






Open source observability platform. SigNoz helps developers find issues in their deployed applications & solve them quickly.




Sentinet3 is an enterprise class unified proactive monitoring device able to monitor Systems, Applications, and Networks.
