Top 13 Open Source Network Monitoring Tools (2023)

What are the best open source network monitoring tools on the market today? Monitoring your network forperformance issueis important, and network monitoring tools help organizations track down and fix these issues. However,Implementation and maintenance of a network monitoring solutionit can be expensive, and companies may think they shouldn't even bother. However, network monitoring doesn't have to be that expensive – there are plenty of cheap or free solutions out there, including open source tools.

that's why wesolution reviewWe have compiled a list of the 13 best open source network monitoring tools. These tools are released under an open source license and should definitely be considered if your business wants to keep costs down. We must take into account that they may not be the best solution for your business, since many open source developments require technical knowledge or experience on the part of the developer. We have listed some of the key features of each open source tool so that you know what each solution specializes in.

If you're looking for more resources on the best network monitoring tools and providers, open source and others, ourNetwork Monitoring Buyer's GuideYou've got it covered! It profiles the top 28 network monitoring vendors on the market today, including descriptions of the tools they offer and notable features of each tool. The guide also includes 10 questions to ask potential vendors and yourself before purchasing a network monitoring solution. You can consult this guideHere!

Angry IP Scanner

Angry IP Scanneris an open source network and IP verification tool. The software searches for IP addresses associated with a network and checks the status and availability of each device. Angry IP Scanner uses a multi-threaded approach to monitoring, creating a separate thread for each scanned IP address. this will increase the IP monitoring speed of the tool. The tool also supports NetBIOS information, preferred IP address ranges, web server discovery, and customizable openers.

cactus

cactusis an open source network monitoring tool based on the RRDTool data collection and graphing system. The tool uses network auditing and data collection capabilities to collect information about devices on networks of any size. This includes the ability to create custom scripts for data collection along with support for SNMP scanning. It then displays that information in easy-to-understand charts that can be arranged in the hierarchy that best suits your business.

check mark

check markis an open source infrastructure and application monitoring tool that also includes network monitoring capabilities. For network monitoring, Checkmk can discover and monitor switches and routers, wireless networks, and firewalls; The software supports integration with multiple network hardware vendors. The solution uses a rules-based approach to configure network and device monitoring, allowing your organization to configure an entire network to monitor specific metrics.

think

thinkis an open source network monitoring tool that measures network availability and performance. Through a web interface, your organization can monitor hosts and applications across your entire network infrastructure. The tool is natively scalable and can be easily configured to work with any type of device. There are also some Icinga modules for specific monitoring functions, such as VMWare vSphere cloud environment monitoring and business process modeling.

FreeNMSName

FreeNMSNameis an open source network monitoring system that uses multiple network protocols to monitor every device on your network. The LibreNMS API can retrieve, manage, and graph the collected data and supports horizontal scaling to expand your monitoring capabilities along with your network. The tool has a flexible alert system that adapts to communicate with you in the way that works best for your business. They also offer native apps for iOS and Android.

Kern-Nagios

Kern-Nagiosis an open source network monitoring tool developed as a base for other monitoring and alerting software offered by Nagios. It is primarily a performance check tool that schedules and performs network performance checks for the entire infrastructure. Like the performance check event processor used by other Nagios software, Nagios Core can extend its capabilities with standalone plugins via the Naigos Exchange.

OurNetwork Monitoring Buyer's Guidecontains profiles of the top network performance monitor vendors and questions to ask the vendors and yourself before making a purchase.

NetXMS

NetXMSis an open source infrastructure and network monitoring and management solution. The tool provides flexible graphing, reporting and event processing for all levels of the IT infrastructure. For network monitoring, NetXMS offers automatic Layer 2 and Layer 3 detection and full SMTPv3 support. The program also includes active and passive discoveries that combine scanning probes and intelligence gathering capabilities.

ntopng

ntopngis an open source network traffic analysis tool that also has network monitoring capabilities. The tool is a network traffic probe that classifies network traffic based on various criteria, including IP addresses and throughput. By characterizing network traffic, your organization can easily identify various network statistics that affect your network. Although the community version of ntopng is open source, professional and enterprise versions are also available.

Opmantek NMIS

Opmantek NMISis an open source network management solution for scalable network performance and device health monitoring. NMIS supports 10,000 providers and classifies network events based on their business impact. NMIS is included in Opmantek's professional NMIS package, which also includes opCharts for charting performance via customizable dashboards, and opReports for analyzing performance data and creating reports on that data.

pandora fms

pandora fmsis an open source monitoring tool that helps companies keep tabs on their entire IT infrastructure. It has not only network monitoring capabilities, but also Windows and Unix servers and virtual interfaces. For networks, Pandora FMS includes features such as ICMP polling, SNMP support, network latency monitoring, and system overload monitoring. You can also install agents on devices to monitor factors such as device temperature and overheating, and occurrences in log files.

Prometheus

Prometheusis an open source monitoring solution focused on data collection and analysis. It allows users to configure network monitoring features using the native toolset. Among other things, the tool can collect information about devices using SNMP pings and examine network bandwidth usage from the perspective of the device. The PromQL system analyzes the data and allows the program to create graphs, tables and other visual elements on the monitored systems.

wire shark

wire sharkis an open source network protocol analyzer that provides live network data collection and analysis. The tool performs extensive inspections of many different network protocols to determine the performance of your network at different levels. Wireshark also allows users to capture and analyze data packets even when the network is offline. The data that Wireshark collects can be stored in many universal or shared file formats, allowing other tools to help interpret the data on your network.

ZabbixGenericName

ZabbixGenericNameis an open source monitoring toolkit that includes network monitoring. Zabbix's network monitoring features include analysis of performance metrics such as bandwidth usage, packet loss, and CPU/memory utilization. You can also detect network node and link problems by checking devices for critical conditions. Zabbix can notify you when hardware functions go down (the fan speed of a network device is low) or when an SNMP check is not answered.

Are you looking for a solution to improve the performance of your network? OurNetwork Monitoring Buyer's Guidecontains profiles of the top network performance monitor vendors and questions to ask the vendors and yourself before making a purchase.

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