List of the Top 7 Network Bandwidth Monitoring Tools for Linux in 2025

OpManager serves as the perfect comprehensive tool for monitoring your organization's entire network system. It allows you to meticulously track the health, performance, and availability of all network components, including switches, routers, LANs, WLCs, IP addresses, and firewalls. By providing insights into hardware health and performance, you can efficiently monitor metrics such as CPU usage, memory, temperature, and disk space, thereby enhancing overall operational efficiency. The software simplifies fault management and alert systems through instant notifications and thorough logging. With streamlined workflows, users can easily set up the system for rapid diagnosis and implementation of corrective actions. Additionally, OpManager boasts robust visualization features, including business views, 3D data center representations, topology maps, heat maps, and customizable dashboards that cater to various needs. By equipping users with over 250 predefined reports covering critical metrics and areas in the network, it empowers proactive capacity planning and informed decision-making. Overall, the extensive management functionalities of OpManager position it as the optimal choice for IT administrators striving for enhanced network resilience and operational effectiveness. Furthermore, its user-friendly interface ensures that both novice and experienced administrators can navigate the platform with ease.

NetFlow Analyzer offers immediate insights into network bandwidth performance by utilizing flow technologies effectively. This tool delivers an in-depth perspective on your network's bandwidth consumption and traffic behaviors. It has successfully optimized countless networks around the globe. Serving as a unified solution, NetFlow Analyzer examines, reports, and gathers information regarding your network's bandwidth consumption. With the capability to enhance bandwidth management across over a million interfaces globally, it also includes features for network forensics and traffic analysis. By adjusting policies through traffic shaping with ACLs and class-based rules, you can exercise control over the most frequently used applications. Furthermore, NetFlow Analyzer employs Cisco NBAR technology to provide an intricate understanding of Layer 7 traffic. It is also proficient in detecting applications that utilize dynamic port numbers or conceal themselves behind commonly used ports, ensuring comprehensive network management. Ultimately, this tool is essential for maintaining optimal network performance and security.

Datadog serves as a comprehensive monitoring, security, and analytics platform tailored for developers, IT operations, security professionals, and business stakeholders in the cloud era. Our Software as a Service (SaaS) solution merges infrastructure monitoring, application performance tracking, and log management to deliver a cohesive and immediate view of our clients' entire technology environments. Organizations across various sectors and sizes leverage Datadog to facilitate digital transformation, streamline cloud migration, enhance collaboration among development, operations, and security teams, and expedite application deployment. Additionally, the platform significantly reduces problem resolution times, secures both applications and infrastructure, and provides insights into user behavior to effectively monitor essential business metrics. Ultimately, Datadog empowers businesses to thrive in an increasingly digital landscape.

Obkio offers a straightforward solution for Network Monitoring and Troubleshooting as a SaaS platform, enabling users to keep track of their network's health and the performance of essential business applications, thereby enhancing the experience for end-users. In mere seconds, Obkio can detect the root causes of sporadic network disruptions, as well as slowdowns in VoIP, video, and applications, allowing for timely troubleshooting before it impacts users. You can set up monitoring agents at key positions within a company's infrastructure or various network locations, including data centers, remote offices, client sites, or across both public and private clouds, to ensure ongoing performance tracking through synthetic traffic that is exchanged every 500 milliseconds. Obkio systematically evaluates and tracks vital network metrics, which encompass latency, jitter, packet loss, quality of service, and customer experience through Quality of Experience (QoE) assessments. The application promptly notifies you when any issue arises or even when potential failures are detected, not only identifying the problem's source but also providing the capability to retrospectively analyze the situation for comprehensive diagnostics. This proactive approach to network monitoring ensures that businesses can maintain optimal performance and address issues before they escalate, ultimately leading to a more reliable user experience.

Oversees all essential infrastructure components crucial to operations, encompassing services, applications, operating systems, network protocols, metrics, and the overall network framework. Numerous third-party plugins exist to facilitate the monitoring of nearly all internal services and applications. This centralized dashboard offers a comprehensive overview of IT operations alongside business processes. The dashboards serve as a robust tool, enabling users to swiftly access third-party data and monitoring insights at a single glance. Specific views are designed to help users quickly find the most pertinent information available. Organizations can strategically plan for necessary infrastructure upgrades by utilizing automated, integrated trending and capacity planning graphs, ensuring they are not blindsided by outdated systems. In addition, IT personnel, business stakeholders, and end-users receive prompt alerts via email or SMS, which include details about outages, allowing them to address and rectify issues without delay. Such proactive measures can significantly enhance the overall reliability and efficiency of the IT environment.

BitMeter OS is a free and open-source application designed to monitor bandwidth usage across various operating systems, including Windows, Linux, and macOS. The software allows users to track their internet and network consumption, offering insights through both a web interface and command-line capabilities. Real-time graphs and charts are accessible via the web interface, which updates every second to show current connection activity. In addition to this, detailed bandwidth statistics can be generated for specific dates, with the option to export data into spreadsheet formats for further analysis. The History pane helps users visualize usage trends over different time frames, such as hours, days, and months. Furthermore, users can set up customizable alerts that notify them when their internet usage surpasses predetermined limits. The tool also includes a calculator to estimate the duration of uploads and downloads, along with data transfer rates. Customization features can be found in the Preferences pane, which even incorporates a built-in RSS feed for updates. It’s noteworthy that BitMeter OS is limited to monitoring traffic only on the device where it is installed, which means that to oversee multiple machines, users must install BitMeter on each one separately. This aspect of the software allows for tailored management of network usage, making it an excellent choice for those looking to effectively analyze and control their bandwidth consumption. Overall, BitMeter OS is a comprehensive tool that provides essential insights for users who are serious about monitoring their internet activity.

NetFlow Analyzer equips network administrators with a straightforward method to analyze bandwidth usage, identify trends, monitor applications, and detect traffic irregularities. It offers visual representations of traffic across network devices, interfaces, subnets, traffic segments, and end users, utilizing protocols like Cisco® NetFlow (IPFIX, NSEL, and sFlow) along with other similar netflow-compatible protocols. This tool aids network administrators in overseeing bandwidth, investigating network traffic, and generating detailed reports. By leveraging this technology, organizations can enhance their networks and applications, strategize for future network growth, minimize the time allocated to troubleshooting and diagnostics, and bolster their security measures. Furthermore, NetVizura provides the capability for users to customize the traffic they wish to monitor, focusing on specific IP subnets and traffic characteristics, including the protocols and services in use. This allows for the monitoring of targeted traffic within different segments of the network, such as individual remote locations, departmental units, or clusters of regional offices, effectively tailoring oversight to meet the organization's needs. This targeted approach ensures comprehensive network management and efficiency.