Here, is a curated list of top tools that can replace Nagios. This list consists of paid as well as open-source Network Monitoring Tool with popular features and latest download link.
Nagios Alternatives (Open Source & Paid)
1) ManageEngine OpManager
OpManager is an integrated network management solution for efficient and hassle-free network monitoring that provides network performance monitoring, server monitoring, VM monitoring, WLC monitoring, storage monitoring capabilities, and more. With OpManager, IT admins can easily drill down to the root cause of the network issue and fix it quickly.
Features:
Device discovery, mapping, grouping and bulk configuration options Real-time network monitoring Physical server monitoring & virtual server monitoring of Host and VMs of VMware, Hyper-V, Nutanix and Citrix XenServer virtualization platforms. Out-of-the-box support for a wide range of network devices. Dashboards and widgets Agentless network monitoring
Visit OpManager »
2) Auvik
Auvik’s cloud-based network management and monitoring software lets IT professionals experience the fastest way to manage distributed networks and devices, automate routine tasks, and resolve critical technology issues proactively. Auvik delivers out-of-the-box real-time discovery, intuitive network visualization, automated backups, detailed device monitoring, and deep traffic flow inspection.
Features:
IT asset management Network visibility & mapping Performance monitoring & troubleshooting Configuration backup & recovery Network traffic analysis Remote network management
Visit Auvik »
3) Network Bandwidth Analyzer
Network Bandwidth Analyzer is a tool that enables you to monitor the performance of the network. It helps you to track response time, availability, switches, and more.
Features:
You can find which network application uses the most bandwidth. Provides visual analysis for a device with a delivery path This application can monitor the fault of your network You can see changes along the path and fin service provider issue The tool allows you to drag and drop performance metrics on a timeline Monitor the logical component of the SDN (Software Defined Networking) environment.
Visit Network Band.
4) Paessler PRTG
PRTG network monitoring software is known for its advanced infrastructure management capabilities. The tool monitors IT infrastructure using technologies like SNMP, WMI, Sniffing, REST APIS, SQL and others.
Features:
PRTG can scan network segments by pinging defined IP ranges Helps you to create web pages with up-to-date monitoring data in the desired design Easy and flexible alerting Multiple User Interfaces Alerts you when it sees warnings or unusual metrics in your network.
Visit Paessler »
5) Microsoft Network Monitor
Microsoft Network Monitor is a protocol analysis and network traffic monitoring tool. This tool helps you to capture, view and analyze network traffic. It is also handy for troubleshooting network problems and applications on the network. Visit Ms Network »
6) Shinken
Shinken is a monitoring framework. This Nagios alternative offers full virtualization integration and endless scalability and RAID-like availability.
Features:
Fast monitoring of your servers and applications Allows to reuse Nagios configuration Load data from new sources like Puppet and Mysql, and add new export methods like Graphite
Download link: http://www.shinken-monitoring.org/
7) Spiceworks
Spice works are easy to use networking monitoring tool which offers real-time status and alerts for your critical devices.
Features:
This Nagios free alternative tool is simple to install and easy to set up You can adjust alert thresholds for in-app notifications or emails. Support is entirely free. Online or on the phone, chat Get quick insights and spot slow, sluggish, or overwhelmed systems.
Download link: https://www.spiceworks.com/free-network-monitoring-management-software/
8) Zabbix
Zabbix is an open source monitoring tool. This network monitoring tool focuses on monitoring and trending functionality. This software is widely used for monitoring servers and network hardware. It is one of the best open source Nagios alternatives which can forecast future behavior based on historical data.
Features:
Easy measurement of network performance & health Flexible and extendable data gathering Various metric collection methods and protocols Configuration changes
Download link: https://www.zabbix.com/
9) NetCrunch
NetCrunch Network monitors your network infrastructure and traffic with the help of features like switch traffic monitoring and flow analyzer.
Features:
Monitoring packs for various SNMP devices Policy-Based Configuration SNMP Traps & Notifications Full SNMPv3 support Monitoring Custom Network Service
Download link: https://www.adremsoft.com/
10) The Dude
The Dude network monitor is a network monitoring tool which automatically scans all devices within specified subnets. You can draw layout and map of your networks. It also gives you an alert when some equipment is not working correctly.
Features:
Auto network discovery and layout Discovers any type or brand of device SVG icons for devices are included for easy recognition. Even custom icons and backgrounds are supported. Direct access from remote control tools for device management
Download link: http://www.mikrotik.com/thedude
11) Incinga
It is open source infrastructure and service monitoring tool. Icinga alters and reports the health of your IT environment. All alert dependencies will be displayed in the dashboard and sent via email, SMS or mobile messaging apps.
Features:
Monitoring of Services Supports both direct monitoring and SNMP monitoring Allows clustering and Zone Monitoring Configuration & Templates
Download link: https://www.icinga.com/
12) NMAP
Nmap is an open source software for network discovery and security auditing. This network monitoring tool allows you to perform tasks such as network inventory, maintaining service upgrade schedules.
Features:
Nmap tool is available for free download, and also comes with complete source code This alternative to Nagios supports dozens of advanced techniques for mapping out networks filled with IP filters, firewalls, routers, etc. It can scan huge networks of literally hundreds of thousands of machines. Extensive support of a community of developers and users
Download link: https://nmap.org/
13) Logic Monitor
LogicMonitor is an automated SaaS network monitoring tool. This Nagios replacement tool offers to customize dashboard, alerts, and reports. The tool can identify incoming issues by providing predictive alters and trend analysis.
Features:
Discovers all network devices & interfaces Monitors CPU, Memory, Temperature, Fan and other hardware Track OSPF adjacencies and BGP sessions Watch & alert on Power Over Ethernet loads Wireless access-point monitoring
Download link: https://www.logicmonitor.com
14) ThousandEyes
A thousand eyes networking monitoring software allows you to find the cause of problems anywhere. Share your findings instantly and respond to issues before it damages your customers, services, and revenue.
Features:
Visualize multiple layers of network data to check diverse infrastructure, services, and apps Provide a unique insight across every part of the network from smart agents located across the Internet Helps you to find causes with the assistance of algorithms Integrate data and insights directly into existing workflows and systems
Download link: https://www.thousandeyes.com/
15) NetXMS
NetXMS is an open source monitoring tool which allows you to monitor entire IT infrastructures. It starts with SNMP-capable hardware and ending with applications on servers.
Features:
Designed for maximum performance and scalability Distributed network monitoring Helps you to detect network automatically. Quick deployment with minimal configuration efforts Native support various platforms and operating systems
Download link: https://www.netxms.org/download/
16) OP5 Monitor
OP5 Monitor is a software product for the server, network monitoring, and management based on the Open Source project Nagios. The OP5 Monitor displays the status, health, and performance of the IT network.
Features:
Log Server Monitoring Fully customizable and interactive dashboards Unparalleled Scalability across Distributed Environments Read, process and generate alerts from SNMP traps. Automatic Self Healing
Download link: https://www.itrsgroup.com/products/op5-monitor
17) Advanced IP Scanner
Advanced IP scanner is free network scanner to analyze LAN. This network analysis tool helps you to access shared folders, remote controlling of computers and can even switch your computers off.
Features:
No need of installation MAC addresses detection Export scan result to CSV
Download link: http://www.advanced-ip-scanner.com/
18) Observium
Observium is an auto-discovering network monitoring tool. It supports a wide range of device types, platforms, and operating systems. The tool offers an intuitive and straightforward interface to the health and status of your network.
Features:
Traffic Accounting feature helps you in tracking and billing customer bandwidth usage Supports for numbers of third-party application Threshold alerting system helps you to configure thresholds and failure status of various entities. Improves your network’s reliability by finding a number of potential issues
Download link: https://www.observium.org/
19) NetworkMiner
NetworkMiner is a Network Forensic Analysis Tool. The tool allows detecting the OS, hostname and open ports of network hosts by parsing a PCAP file or packet sniffing.
Features:
Network forensics & Sniffing User credentials for supported protocols can be extracted under credentials tab. You can search sniffed or stored data for keywords. NetworkMiner Professional comes with specially designed USB flash drive.
Download link: http://www.netresec.com/?page=NetworkMiner
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ManageEngine OpManager Auvik Network Bandwidth Analyzer Paessler Microsoft Network Monitor Shinken
