Monitoring is necessary for businesses to make sure that the required system is up and working. Monitoring various aspects of the IT infrastructure can be quite pesky and cause many difficulties if not done properly.<\/p>\n
Regardless of the company’s size, one cannot ignore the need for Server, network, and infrastructure monitoring using the best monitoring tool<\/strong>. All modern cloud and on-premise infrastructure come with the best monitoring solutions.<\/p>\n Also, when it comes to DevOps, monitoring, and observability<\/a> plays a key role in the team’s performance.<\/p>\n The following are the key areas when it comes to monitoring.<\/p>\n Professional or Business-grade tech solutions are generally regarded as costly, but that\u2019s not necessarily always the case.<\/p>\n The following is the key list of key indicators for the best monitoring software.<\/p>\n Numerous absolutely free and open-source network monitoring tools can be considered while looking for monitoring solutions. Let\u2019s take a look at the top-rated open-source monitoring tools and see what works for you!<\/p>\n A cloud-native observability stack tool provides end-to-end visibility into modern distributed systems by collecting metrics, logs, and traces.<\/p>\n Prometheus<\/a> is an open-source cloud-native monitoring solution primarily fixated on data gathering and analysis based on time-series data. It enables users to set up monitoring capabilities by utilizing the in-built toolset.<\/p>\n It is an ideal monitoring setup for containerized environments like kubernetes<\/a> and the best open-source server monitoring tool.<\/p>\n It is able to assemble several metrics on servers, kubernetes, and various devices using SNMP pings and inspect network bandwidth usage from the device point of view, along with the other functions. The PromQL system analyzes data and permits the program to produce plots, tables, and other graphics on the systems it monitors.<\/p>\n The alert manager<\/a> is another component of Prometheus. It handles alerting for all alerting rules configured in Prometheus.<\/p>\n Prometheus can collect system metrics, application metrics, and metrics from modern containerized applications<\/strong>. Also, it has very good integration with tools like Grafana for visualizing metrics<\/a>. Grafana is one of the best open-source monitoring dashboards.<\/p>\n Thanos<\/a> is a free observability tool that works on top of Prometheus to make it highly available.<\/p>\n Thanos offers the following,<\/p>\n OpenTelemetry<\/a> is an open source tool that is a collection of APIs, SDKs, and tools. It will collect and transmit data such as logs, metrics, and traces to help you analyze your software’s performance, and behavior. It is primarily used for cloud-native applications and infrastructure.<\/p>\n ELK Stack<\/a> is an open source and enterprise platform for monitoring infrastructure, digital experience, application performance, AIOps, and LLM observability.<\/p>\n Also, you will get custom dashboards, alerts, synthetic tests, service level objectives(SLOs), and an AI assistant with custom knowledge integration.<\/p>\n ClickStack<\/a> is a high-performance open source observability stack. It is a unified platform for collecting, storing, analyzing logs, metrics, traces, session replays, and more.<\/p>\n It is powered by ClickHouse storage, and you can do simple deployment and maintenance. <\/p>\n Jaeger<\/a> is a free tool to trace the requests<\/strong> in microservices. This helps to track the issues with the user requests.<\/p>\n VictoriaMetrics<\/a> is an open-source and enterprise observability tool for efficient monitoring. <\/p>\n This tool will provide a streamlined backend for storing, querying, and scaling metric data, which makes it best for a large-scale environment.<\/p>\n To be honest, Victoriametrics is a great choice for DevOps and SRE teams.<\/p>\n Hybrid and infrastructure monitoring tools will help you to track performance across on-premises, cloud, and hybrid environments from a single platform.<\/p>\n Zabbix<\/a> is open-source monitoring software with an easy-to-use interface for users with a low learning curve that provides enterprise-class solutions to large organizations. It is a centralized system that stores the data in a relational DB for efficient processing.<\/p>\n Here is what Zabbix can do.<\/p>\n Checkmk<\/a> is an IT monitoring tool that monitors public cloud providers, your data centers, networks, containers, applications, kubernetes<\/a>, and more. <\/p>\n Also, it has automation features such as host discovery, a large library of plugins, and customizable dashboards.<\/p>\n This tool will be really helpful for the ITOps and DevOps teams to monitor with peak performance.<\/p>\n It has an open source version called RAW<\/strong> and has enterprise versions as well.<\/p>\n Icinga<\/a> is an open-source network monitoring tool that calculates the availability and performance of the network. Through a web interface, your business can observe applications and hosts around your complete network infrastructure. The tool is scalable and easily configurable to function with each type of device. There exist a few Icinga modules for very specific monitoring capabilities, like monitoring for VMWare\u2019s vSphere cloud environment and business process modeling.<\/p>\n Netdata<\/a> is an open-source tool used for real-time monitoring systems, containers, and applications. This tool will help to collect, analyze, and visualize metrics such as CPU usage, memory, network traffic,processes, etc.<\/p>\n This tool provides per-second metrics, alerting, and it is a zero-config observability setup with AI.<\/p>\n Sensu<\/a> is endorsed as a full-stack monitoring tool. By means of a single platform, you can monitor services, applications, servers, and reports on business KPIs. Its monitoring does not require a separate workflow. It supports all the popular Operating Systems like Windows, Linux<\/a>, etc.<\/p>\n OpenNMS<\/a> is a network monitoring tool that helps to monitor your network, traffic analytics, and gives an alert if any error pops up.<\/p>\n It has features such as data collection, inventory management, scalability, event driven architecture, and more.<\/p>\n Also, it will collect data using protocols like SNMP, NetFlow, and JMX. OpenNMS is an open source and enterprise level tool.<\/p>\n Monit<\/a>(M\/Monit) is monitoring and managing the Unix systems platform. This will do automatic maintenance and repair, and execute actions in error situations.<\/p>\n With Monit, you can monitor files, directories, and filesystems on localhost. If you want to know more, here is an official document<\/a>.<\/p>\n Munin<\/a> is a fully resource monitoring open source platform with easy installation. You will get real-time alerts, 500+ plugins to monitor all services, analyze resource trends, IT infrastructure, and give an alert before any performance issues occur.<\/p>\n This tool is known for its simplicity and ease of use. Also, it will create visual graphs, which will be very useful for system administrators.<\/p>\n Network monitoring tools help you to track device connectivity, bandwidth usage, and network performance across data centers and cloud environments.<\/p>\n They provide you with real-time visibility into network traffic, detect failures early, and help maintain optimal uptime.<\/p>\n LibreNMS<\/a> is an open-source network monitoring system that utilizes multiple network protocols to observe every device on your network. The LibreNMS API can recover, manage, and plot the data it collects and facilitates horizontal scaling to grow its monitoring abilities along with your network. The tool presents a flexible alerting system that is custom-made to communicate to you by the method that suits best your company. They offer their iOS and Android.<\/p>\n Observium<\/a> Community is the free counterpart of Observium\u2019s network monitoring tool. In the free version of the Observium Community, you can monitor a limitless amount of devices along with taking complete advantage of Obersvium\u2019s network mapping attributes. The Observium network monitoring tool features the programmed discovery of connected devices. It also comes well-appointed with discovery protocols to make sure that the map of your network is the latest. In this manner, you can keep track of new devices as they connect with the network.<\/p>\n Cacti<\/a> is an open-source network monitoring tool built on RRD Tool\u2019s data classification and plotting system. The tool utilizes data-gathering functionality and network polling to collect information on various devices on networks of any scope. This comprises the capability to create custom scripts for data gathering along with the facility for SNMP polling. It then showcases this information in easy-to-comprehend plots which can be organized in whichever hierarchy as per your business\u2019s convenience.<\/p>\n Pandora FMS<\/a> is an open-source monitoring tool that aids businesses to observe their whole IT substructure. It not just features network monitoring capabilities but also Unix and Windows servers and virtual interfaces. For networks, Pandora FMS comprises top-notch features like SNMP support, ICMP polling, network latency monitoring, as well as system overload. Agents can also be installed on devices to observe aspects like device temperature and overheating, as well as for logfile happenings.<\/p>\n Nagios<\/a> is an open-source monitoring tool that has been in the market since 1999. It provides numerous facilities like integration with third-party apps using an additional plugin. Considering the length of time that Nagios has been in the industry, there are plenty of plugins written for it. It can monitor a variety of components including Oss, applications, websites, middleware, web servers, etc.<\/p>\n Riemann<\/a> is an ideal open-source monitoring tool for distributed systems. It’s a low-latency even processing system capable of collecting metrics from a variety of distributed systems. It is designed to handle millions of even per second with low latency. It is an apt monitoring tool for highly distributed scalable systems.<\/p>\n LogRhythm NetMon Freemium<\/a> is a free version of LogRhythm NetMon that offers similar business-grade module capturing and analysis abilities as the full version. Though there are restrictions or limits on data processing and module storage, the freemium version still permits the users to perform network risk detection and response functions built on data packet analysis. It also offers a similar network threat alerting system as the full version, letting you stay updated on your network\u2019s performance and security.<\/p>\n Famatech\u2019s Advanced IP Scanner<\/a> is free of cost network monitoring as well as a scanning tool that offers analysis on Local Area Networks and LAN devices. The advanced IP Scanner allows the scanning of devices on the network and remotely regulates the connected computers and other resources. It provides the ability to switch computers off from the tool if the device is not in use and is using resources. The tool connects with Famatech\u2019s Radmin solution for distant IT management, so you can manage the IPs wherever you are.<\/p>\n AppNeta PathTest<\/a> is a free network volume testing tool intended to aid businesses to comprehend the true ability of their network. PathTest seeks to advance layer three and layer four performance by exhibiting a precise depiction of your network\u2019s maximum capabilities. It deliberately floods your network with data packets to fill the network to its full capacity. Users can set the duration of this test up to a maximum of 10 seconds and run the tests at any time.<\/p>\n UptimeRobot<\/a> is known for its uptime monitoring service. It has features to monitor, such as website & endpoint, keyword, ping, port, cron job<\/a>, domain, SSL, response time, multi-location, and DNS.<\/p>\n This tool can be used by teams like DevOps, developers, marketers, support, and business owners.<\/p>\n It has open source and enterprise versions.<\/p>\n Security and runtime monitoring tools will help you to detect and respond to threats across containers, Kubernetes, and cloud environments in real time.<\/p>\n These tools will monitor system behavior, enforce policies, and protect workloads from intrusions and compliance violations.<\/p>\n Falco<\/a> is an open-source tool. It is a cloud native security tool that will detect security threats. <\/p>\n This will detect the suspicious behaviour, security threats, and compliance violations in real-time and alert to threats in containers, Kubernetes, and the Cloud. Falco works using a kernel module or an eBPF probe.<\/p>\n Cilium<\/a> is an open-source cloud solution for networking, observability, and security tool that is powered by the kernel technology eBPF. This tool will help to show real-time service maps, flow visibility, and protocol insights.<\/p>\n Calico<\/a> is an open-source platform specifically for cloud native networking, network security, and observability. But it is primarily for containers and Kubernetes.<\/p>\n This will provide high-performance, scalable, and secure networking for virtual machines, and containers. Also, it has eBPF<\/a> data planes.<\/p>\n Calico will support platforms such as Kubernetes<\/a>, OpenShift, Docker<\/a> EE, and OpenStack.<\/p>\n Monitoring provides supervisors with a crisp view of the services, applications, and devices running on their network and the ability to track the performance of these resources. This facilitates active management rather than responding to issues as and when they happen.<\/p>\n Open-source monitoring tools<\/strong> are utilized to monitor the status of the framework being used, so as to have warnings of defects, failures, or issues and to improve them. There are monitoring tools for servers, networks, cloud infrastructure, containers, databases, security, execution, site and web use, and applications.<\/p>\n Sometimes, it is wise to use default monitoring systems that come with the infrastructure providers. One example is the AWS cloudwatch. However, open-source monitoring tools provide a lot of functionality to monitor your infrastructure components with a lot of customization.<\/p>\n Opting for an appropriate open-source monitoring solution for your business is not as easy as it seems.<\/p>\n IT professionals like Network and DevOps Engineers need to consider multiple factors while searching for an open-source monitoring solution for their enterprises, such as compatibility, facility, effortlessness, and budget.<\/p>\n Also, if you want to look at a comprehensive list of tools that can be used in the DevOps toolchain, check out the devops tools<\/a> list where I have converted 90+ best tools in different categories.<\/p>\n As a DevOps engineer myself, I can’t think of a project where we never used monitoring tools. So if you want to become a devops engineer<\/a>, I would highly suggest you look at open-source monitoring tools.<\/p>\n Also, if you\u2019re looking for the best service discovery tools, read my reviews on the best open-source service discovery tools<\/a>.<\/p>\n\n
What are the Best Opensource Monitoring Tools?<\/h2>\n
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Cloud Native Observability Stack<\/h2>\n
1. Prometheus<\/h3>\n
2. Thanos<\/h3>\n
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3. OpenTelemetry<\/h3>\n
4. ELK Stack<\/h3>\n
5. ClickStack<\/h3>\n
6. Jaeger<\/h3>\n
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7. VictoriaMetrics<\/h3>\n
Hybrid\/Infra Monitoring<\/h2>\n
8. Zabbix<\/h3>\n
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9. Checkmk<\/h3>\n
10. Icinga<\/h3>\n
11. Netdata<\/h3>\n
12. Sensu<\/h3>\n
13. OpenNMS<\/h3>\n
14. Monit<\/h3>\n
15. Munin<\/h3>\n
Network Monitoring Tool<\/h2>\n
16. LibreNMS<\/h3>\n
17. Observium Community<\/h3>\n
18. Cacti<\/h3>\n
19. Pandora FMS<\/h3>\n
20. Nagios<\/h3>\n
21. Riemann<\/h3>\n
22. LogRhythm NetMon Freemium<\/h3>\n
23. Famatech Advanced IP Scanner<\/h3>\n
24. AppNeta PathTest<\/h3>\n
25. UptimeRobot<\/h3>\n
Security & Runtime Monitoring Tool<\/h2>\n
26. Falco<\/h3>\n
27. Cilium<\/h3>\n
28. Calico<\/h3>\n
Conclusion<\/h2>\n
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