Nagios XI vs PRTG Network Monitor vs Pandora FMS vs Cacti in June 2026

Remove All

94% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Nagios XI

Network Monitoring Software

4.5 48 user ratings

View Details

96% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

PRTG Network Monitor

Network Monitoring Software

4.4 1,036 user ratings

View Details

91% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Pandora FMS

Network Monitoring Software

4.7 138 user ratings

View Details

79% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Cacti

Network Monitoring Software

4.2 17 user ratings

View Details

Overview

Description

Nagios XI is claimed to be the most trusted open source network monitoring software available in the market.The software truly comes equipped with a myriad of network monitoring features that include resource management, server monitoring, SLA monitoring, uptime monitoring, internet usage monitoring, bandwidth monitoring IP address monitoring and offers web traffic reporting etc.It also offers baseline manager, real time analytics and diagnostic tools.You can smartly and easily monitor all your network equipment such as routers, switches, servers etc.Tracking traffic on the network at anytime also becomes easier.It comes with an intuitive interface and is customizable too. Read more

PRTG Network Monitor is a comprehensive network monitoring software that helps organisations keep their systems, devices, traffic and applications free from any troubles. The software provides powerful and easy-to-use solutions to businesses of all sizes. In an organisation’s network, it focuses on the bandwidth, database, running applications, cloud storage, server, LAN and Simple Network Management Protocol, ensuring seamless operations. PRTG Network Monitor integrates with pre-existing components of users’ network and analyses live status information to provide the best solutions. The software is customisable and its functionalities can be extended for using HTTP API and custom sensors. PRTG Network Monitor is an AI-based platform that automatically solves cluster failover solutions avoiding any delay. The software can monitor several networks in different locations and within the organisation with PRTG Remote Probes. It provides in-depth reports based on live and historical data monitoring, enabling users to take the right action at the right time. Read more

Companies depend on Pandora FMS to get their monitoring needs taken care of in a simple and secure way. The particular tool is designed by Artica ST and comes loaded with a full-fledged ecosystem inclusive of facilities like personalised face to face training, technical support, distance training, certified international partners, community version developers and an intuitive plugin library alike. Further, it is also capable of integrating information islands of SAP, servers, Mainframe, IP telephony, applications or communications within a unified monitoring umbrella. The platform is absolutely secure, compatible with stringent security standards like SO 27001 and PCI/DSS. Its integrated list of secure architecture elements comes loaded with metrics like delegated authentication system, safe traffic through certificates and encryptions, double authentication system, internal audit system, password policy, credential storages, rootless installation, agent communication based safe architecture and integrated backup. Pandora FMS is certified under ISO/IEC 27001:2013 besides complying with National Security Scheme. Read more

Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Round robin archive (RRA) settings can be customized giving the user the ability to gather data on non-standard timespans while storing varying amounts of data. Contains a "data input" mechanism that allows users to define custom scripts that can be used to gather data. Each script can contain arguments that must be entered for each data source created using the script (such as an IP address). Read more

Pricing Options

Free Trial Available
Offers Free-forever and Custom plan.

Free Trial Available
Starts at $1750.0. Offers Custom plan.

Free Trial Available
Offers Custom plan.

Free Trial Not Available
Offers Custom plan.

SW Score & Breakdown

94% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more

100%
Reviews

80%
Momentum

64%
Popularity

88%

96% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more

100%
Reviews

100%
Momentum

64%
Popularity

69%

91% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more

97%
Reviews

92%
Momentum

65%
Popularity

80%

79% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more

68%
Reviews

77%
Momentum

63%
Popularity

72%

Features

Total Features	11 Features	11 Features	10 Features	2 Features
Common Features for All	Bandwidth Monitoring Helps to monitor the amount of data transmitted in a specified amount of time. Baseline Manager Helps setting and managing network performance baseline to monitor network performance in real-time situations Diagnostic Tools Helps to conduct performance testing and network configuration to identify issues on a computer. IP Address Monitoring Assists in daily managing and monitoring DNS name, IP, and MAC address of a network Internet Usage Monitoring Enables users to monitor and control the use of internet facility in an organization like preventing someone to access unsafe sites Real Time Analytics Facilitates analyzing the data rightly as soon as the data enters the system Resource Management Resource management is the process by which businesses manage their various resources effectively. Those resources can be intangible – people and time – and tangible – equipment, materials, and finances. SLA Monitoring Helps to tackle every critical aspect of service-level agreement (SLA) contract that in turn helps to monitor performance Server Monitoring Helps monitoring server's system resources like Network, CPU Usage, Memory Consumption, I/O, etc. to facilitate offering a better customer experience Uptime Monitoring Monitors and ensures the availability and reliability of the network and its applications when users need them Web Traffic Reporting Provides detailed reports on network traffic to help and manage it efficiently + 8 More - Show Less	Bandwidth Monitoring Helps to monitor the amount of data transmitted in a specified amount of time. Baseline Manager Helps setting and managing network performance baseline to monitor network performance in real-time situations Diagnostic Tools Helps to conduct performance testing and network configuration to identify issues on a computer. IP Address Monitoring Assists in daily managing and monitoring DNS name, IP, and MAC address of a network Internet Usage Monitoring Enables users to monitor and control the use of internet facility in an organization like preventing someone to access unsafe sites Real Time Analytics Facilitates analyzing the data rightly as soon as the data enters the system Resource Management Resource management is the process by which businesses manage their various resources effectively. Those resources can be intangible – people and time – and tangible – equipment, materials, and finances. SLA Monitoring Helps to tackle every critical aspect of service-level agreement (SLA) contract that in turn helps to monitor performance Server Monitoring Helps monitoring server's system resources like Network, CPU Usage, Memory Consumption, I/O, etc. to facilitate offering a better customer experience Uptime Monitoring Monitors and ensures the availability and reliability of the network and its applications when users need them Web Traffic Reporting Provides detailed reports on network traffic to help and manage it efficiently + 8 More - Show Less	Bandwidth Monitoring Helps to monitor the amount of data transmitted in a specified amount of time. Baseline Manager Helps setting and managing network performance baseline to monitor network performance in real-time situations Diagnostic Tools Helps to conduct performance testing and network configuration to identify issues on a computer. IP Address Monitoring Assists in daily managing and monitoring DNS name, IP, and MAC address of a network Internet Usage Monitoring Enables users to monitor and control the use of internet facility in an organization like preventing someone to access unsafe sites Real Time Analytics Facilitates analyzing the data rightly as soon as the data enters the system Resource Management Resource management is the process by which businesses manage their various resources effectively. Those resources can be intangible – people and time – and tangible – equipment, materials, and finances. SLA Monitoring Helps to tackle every critical aspect of service-level agreement (SLA) contract that in turn helps to monitor performance Server Monitoring Helps monitoring server's system resources like Network, CPU Usage, Memory Consumption, I/O, etc. to facilitate offering a better customer experience Uptime Monitoring Monitors and ensures the availability and reliability of the network and its applications when users need them Web Traffic Reporting Provides detailed reports on network traffic to help and manage it efficiently + 7 More - Show Less	Bandwidth Monitoring Helps to monitor the amount of data transmitted in a specified amount of time. Baseline Manager Helps setting and managing network performance baseline to monitor network performance in real-time situations Diagnostic Tools Helps to conduct performance testing and network configuration to identify issues on a computer. IP Address Monitoring Assists in daily managing and monitoring DNS name, IP, and MAC address of a network Internet Usage Monitoring Enables users to monitor and control the use of internet facility in an organization like preventing someone to access unsafe sites Real Time Analytics Facilitates analyzing the data rightly as soon as the data enters the system Resource Management Resource management is the process by which businesses manage their various resources effectively. Those resources can be intangible – people and time – and tangible – equipment, materials, and finances. SLA Monitoring Helps to tackle every critical aspect of service-level agreement (SLA) contract that in turn helps to monitor performance Server Monitoring Helps monitoring server's system resources like Network, CPU Usage, Memory Consumption, I/O, etc. to facilitate offering a better customer experience Uptime Monitoring Monitors and ensures the availability and reliability of the network and its applications when users need them Web Traffic Reporting Provides detailed reports on network traffic to help and manage it efficiently

Technical Details

Organization Types Supported	Individuals Large Enterprises Medium Business Small Business	Individuals Large Enterprises Medium Business Small Business	Individuals Large Enterprises Medium Business Small Business	Individuals Large Enterprises Medium Business Small Business
Platforms Supported	SaaS/Web/Cloud Mobile - Android Mobile - iOS Installed - Windows	SaaS/Web/Cloud Mobile - Android Mobile - iOS Installed - Windows	SaaS/Web/Cloud Mobile - Android Mobile - iOS Installed - Windows	SaaS/Web/Cloud Mobile - Android Mobile - iOS Installed - Windows
Modes of Support	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online
API Support	Available	Available	NA	Available

Reviews & Ratings

User Rating	4.5/5 48 user ratings	4.4/5 1,036 user ratings	4.7/5 138 user ratings	4.2/5 17 user ratings
Rating Distribution	Excellent 58.3% Very Good 37.5% Average 2.1% Poor 2.1% Terrible 0%	Excellent 75.7% Very Good 7.6% Average 3.9% Poor 2.4% Terrible 10.4%	Excellent 78.3% Very Good 17.4% Average 2.9% Poor 0.7% Terrible 0.7%	Excellent 41.2% Very Good 41.2% Average 11.8% Poor 5.9% Terrible 0%
User Sentiments	Not Available	Ease of Use, Comprehensive Monitoring Capabilities, Extensive Customizability, Effective Alerting System Limited Linux Support, Occasional Performance Issues, Steep Learning Curve, Sensor-Based Pricing Model	Flexibility, Real-time Monitoring, Customizable Dashboards, Comprehensive Monitoring Capabilities Initial Setup Complexity, Outdated User Interface, Limited Free Version, Occasional Software Crashes	Not Available
Review Summary	Not Available	PRTG Network Monitor garners praise for its comprehensive monitoring capabilities, customizable alerts, and user-friendly interface. Reviewers appreciate its ability to monitor various aspects of IT infrastructure, including network performance, server uptime, and application availability. They also highlight the customizable dashboards and reporting features that enable tailored monitoring and analysis. However, some users mention occasional performance issues and a learning curve associated with setting up complex monitoring scenarios. Overall, PRTG Network Monitor is well-received for its robust monitoring features and customization options, making it a reliable choice for IT professionals seeking a comprehensive monitoring solution.	Pandora FMS is a highly customizable and powerful monitoring solution praised by users for its comprehensive capabilities. While users appreciate its flexibility in monitoring various systems, including networks, servers, applications, and cloud services, some find the initial setup and configuration complex. The software's real-time alerts and detailed reports are valued assets, though the user interface could be modernized. Despite a few minor drawbacks, Pandora FMS offers robust monitoring capabilities at a competitive price, making it a reliable choice for organizations seeking to enhance their IT infrastructure management.	Not Available
	Read All User Reviews	Read All User Reviews	Read All User Reviews	Read All User Reviews

AI-Generated from the text of User Reviews

Pricing

Pricing Options	Free Trial Available Offers Free-forever and Custom plan.	Free Trial Available Starts at $1750.0. Offers Custom plan.	Free Trial Available Offers Custom plan.	Free Trial Not Available Offers Custom plan.
Pricing Plans Monthly Plans Annual Plans	Free Free Standard Others Enterprise Others Sitewide Custom	PRTG 500 $1,750.00 $1,750.00 PRTG 1000 $3,200.00 $3,200.00 PRTG 2500 $6,500.00 $6,500.00 PRTG 5000 $11,500.00 $11,500.00 PRTG XL1 $15,500.00 $15,500.00 PRTG Enterprise Custom	Lite Others Enterprise Custom Corporate Custom	Cacti Custom
	View Detailed Pricing	View Detailed Pricing	View Detailed Pricing	View Detailed Pricing

Have Questions? We can help!

Get personalized recommendations from our experts on call

✔ Trusted by more than 5 Million users across the globe.

Alternatives

	Checkmk 4.8 179 ratings Nagios XI Vs Checkmk Zabbix 4.2 482 ratings Nagios XI Vs Zabbix Nagios Network Analyzer 4.4 39 ratings Nagios XI Vs Nagios Network Analyzer PRTG Network Monitor 4.4 1,036 ratings Nagios XI Vs PRTG Network Monitor SolarWinds ipMonitor 4.5 27 ratings Nagios XI Vs SolarWinds ipMonitor	Zabbix 4.2 482 ratings PRTG Network Monitor Vs Zabbix Wireshark 4.8 158 ratings PRTG Network Monitor Vs Wireshark ManageEngine OpManager 4.3 27 ratings PRTG Network Monitor Vs ManageEngine OpManager Nagios XI 4.5 48 ratings PRTG Network Monitor Vs Nagios XI OP5 Monitor 4.6 5 ratings PRTG Network Monitor Vs OP5 Monitor	Checkmk 4.8 179 ratings Pandora FMS Vs Checkmk PRTG Network Monitor 4.4 1,036 ratings Pandora FMS Vs PRTG Network Monitor Zabbix 4.2 482 ratings Pandora FMS Vs Zabbix Nagios XI 4.5 48 ratings Pandora FMS Vs Nagios XI SolarWinds ipMonitor 4.5 27 ratings Pandora FMS Vs SolarWinds ipMonitor	PRTG Network Monitor 4.4 1,036 ratings Cacti Vs PRTG Network Monitor Nagios Network Analyzer 4.4 39 ratings Cacti Vs Nagios Network Analyzer Zabbix 4.2 482 ratings Cacti Vs Zabbix Nagios XI 4.5 48 ratings Cacti Vs Nagios XI Observium 3.9 33 ratings Cacti Vs Observium
	View All Nagios XI Alternatives	View All PRTG Network Monitor Alternatives	View All Pandora FMS Alternatives	View All Cacti Alternatives