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

Netler is described as 'Network monitor for menu bar and Notification Center' and is a Network Monitor in the network & admin category. There are more than 25 alternatives to Netler for a variety of platforms, including Linux, Windows, Self-Hosted, Mac and Web-based apps. The best Netler alternative is Grafana, which is both free and Open Source. Other great apps like Netler are GlassWire, Zabbix, Netdata and Nagios.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Easy to use configuration web interface for nagios and neamon. openITCOCKPIT is a perfomant monitoring system with support for distributed monitoring (Satellites), REST API, nice dashboards, maps, graphs and a modular concept for easy customization.




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...




Serial Studio is an open-source, cross-platform telemetry dashboard and real-time data visualization tool. It supports input from serial ports, Bluetooth Low Energy (BLE), and TCP/UDP sockets. It's ideal for embedded devices, external tools, and network services.


Delivers continuous monitoring of network devices, automated topology mapping, SNMP management with custom thresholds, real-time alerts, secure remote access, power cycling, asset documentation, interactive network visualization, flexible automation, and workflow creation.




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




SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development.


Monika is a command-line application to monitor every part of your web app using a simple YAML configuration file. Get alert notifications through SMTP, Discord, Slack, WhatsApp, and many more when your site is down but also when it's slow!.


collectd is a daemon which collects system performance statistics periodically and provides mechanisms to store the values in a variety of ways, for example in RRD files.
Xitoring is an innovative monitoring platform (SaaS) for servers. We bring data from your server using our agent (Xitogent) to make sure your server is doing fine and avoid any downtime, performance issues, and increasing your customer’s satisfaction.




MRTG (or Multi Router Traffic Grapher) is an open-source network monitoring tool.
