List of the Top 17 Free Network Troubleshooting Software in 2025

FirstWave’s NMIS acts as a robust network management system, encompassing fault detection, performance monitoring, configuration oversight, performance visualizations, and alerts based on specific thresholds. It employs business rules that facilitate tailored notification policies, compatible with various notification methods. Additionally, FirstWave empowers its partners, which include some of the largest telecommunications companies and managed service providers worldwide, to safeguard their clientele against cyber threats, all while swiftly expanding their cybersecurity service revenues on a significant scale. Overall, FirstWave delivers a thorough and integrated solution for network discovery, management, and cybersecurity, catering to its global partners. This holistic approach ensures that partners can effectively combat evolving cyber threats while managing their networks efficiently.

ManageEngine OpManager serves as an all-encompassing solution for network troubleshooting, aimed at swiftly pinpointing and addressing network-related problems. It offers continuous monitoring and alerts for various network devices, empowering IT departments to identify faults, congestion, and performance irregularities. Featuring tools such as root cause analysis, in-depth performance analytics, and tailored dashboards, OpManager enhances troubleshooting efficiency by delivering comprehensive insights into the state and performance of the network. Its user-friendly interface facilitates seamless navigation and analysis, ensuring that network issues are resolved quickly, thereby reducing downtime and ensuring peak performance levels.

OpUtils serves as a comprehensive tool for managing IP addresses and switch ports, allowing engineers to effectively oversee, diagnose, and resolve issues related to IT resources. This software enhances existing management systems by offering real-time monitoring and troubleshooting features. By streamlining the management of switches and IP addresses, it significantly benefits network engineers. The toolset includes more than 20 functionalities designed to track network performance, including bandwidth usage monitoring, ensuring the availability of essential devices, and facilitating the backup of Cisco configuration files. It also enables advanced IP scanning of both IPv4 and IPv6 subnets to pinpoint available and occupied IP addresses within the network. Furthermore, users can conduct scans across all switches, map ports, and access detailed information such as user profiles and physical locations. Additionally, it provides the capability to restrict access to unauthorized devices while detecting intrusions by rogue devices, ensuring the network's integrity is maintained. Overall, OpUtils empowers network professionals with the resources they need to maintain optimal network performance and security.

Sematext Cloud offers comprehensive observability tools tailored for contemporary software-driven enterprises, delivering crucial insights into the performance of both the front-end and back-end systems. With features such as infrastructure monitoring, synthetic testing, transaction analysis, log management, and both real user and synthetic monitoring, Sematext ensures businesses have a complete view of their systems. This platform enables organizations to swiftly identify and address significant performance challenges, all accessible through a unified cloud solution or an on-premise setup, enhancing overall operational efficiency.

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.

Introducing a video quality control tool, this software solution enables effective quality management and measurement of QoS across all segments of distributed networks via UDP streams. With probes operational 24/7, users gain comprehensive oversight of their network. Initiating stream monitoring takes less than 30 minutes, allowing for significant savings on equipment and network upkeep. The web interface is designed for ease of use, featuring an intuitive data layout that enhances user experience. Ongoing quality assessment and swift rectification of any issues help maintain a loyal customer base. This tool can be utilized as a cloud-based service or as a standalone option for local networks. Elecard Boro software probes diligently track packet loss, video freezes, and SCTE35 labels across various protocols, including UDP, HLS, DASH, RTP, and HTTP. This solution not only facilitates quick and cost-effective monitoring of content delivery networks but also aids in identifying the most prevalent issues. By implementing this advanced tool, organizations can ensure high service quality and customer satisfaction consistently.

Accelerate your journey from data to actionable business outcomes with Splunk. By utilizing Splunk Enterprise, you can simplify the collection, analysis, and application of the immense data generated by your technology framework, security protocols, and enterprise applications—providing you with insights that boost operational performance and help meet business goals. Seamlessly collect and index log and machine data from diverse sources, while integrating this machine data with information housed in relational databases, data warehouses, and both Hadoop and NoSQL data stores. Designed to handle hundreds of terabytes of data each day, the platform's multi-site clustering and automatic load balancing features ensure rapid response times and consistent access. Tailoring Splunk Enterprise to fit different project needs is easy, as the Splunk platform allows developers to craft custom applications or embed Splunk data into their existing systems. Additionally, applications created by Splunk, partners, and the broader community expand and enrich the core capabilities of the Splunk platform, making it a powerful resource for organizations of any scale. This level of flexibility guarantees that users can maximize the potential of their data, even amidst the fast-paced evolution of the business environment. Ultimately, Splunk empowers businesses to harness their data effectively, translating insights into strategic advantages.

PingPlotter provides a comprehensive tool for monitoring and visualizing key internet performance metrics over time, simplifying the process of network troubleshooting. It charts essential metrics such as latency, packet loss, and jitter, allowing ISPs, IT departments, and other users to pinpoint exactly when and where connectivity issues arise. Users can set up customizable alerts for automatic notifications regarding network problems and utilize REST API capabilities for seamless integration. With real-time insights into connection issues, PingPlotter helps to identify subtle patterns that might go unnoticed by other solutions, enabling swift diagnosis of internet lag, server outages, and other interruptions in service. By employing remote monitoring features, an automated troubleshooting assistant, and a connection quality dashboard (available in PingPlotter Cloud), IT teams can optimize their time management, or alternatively, test connections directly from a single workstation using PingPlotter for Desktop. This dual approach not only enhances efficiency but also empowers users to maintain a stable internet environment proactively.

CySight’s groundbreaking Actionable Intelligence is relied upon by Fortune 500 companies worldwide, providing organizations with a highly efficient and secure solution to address the growing challenges posed by the complexity and scale of contemporary physical and cloud networking. By leveraging cyber network intelligence, CySight enhances the capabilities of network and security teams, allowing them to significantly speed up incident response times by revealing hidden vulnerabilities, scrutinizing network data to identify irregularities, detecting cyber threats, and assessing the usage and performance of assets. Additionally, CySight’s innovative Dropless Collection technique grants unparalleled visibility into vast network data, ensuring that information is stored in the most compact manner possible, which in turn boosts machine learning, artificial intelligence, and automation efforts to maximize the potential of all types of metadata, regardless of size or complexity. This comprehensive approach not only streamlines operations but also empowers organizations to stay ahead in an ever-evolving digital landscape.

Optigo Visual Networks offers advanced software for monitoring and troubleshooting operational technology (OT) networks. With its powerful BACnet Monitoring feature, OptigoVN provides extensive insights into OT performance, delivering over 28 unique network diagnostics for enhanced visibility. This capability ensures that users can effectively manage and optimize their network environments.

IBM NS1 Connect delivers exceptional, authoritative DNS and cutting-edge traffic management to provide the high-performance, dependable, and secure network connectivity that modern businesses require to satisfy the evolving demands of their customers through our solutions. Our global anycast network ensures extensive capacity and scale to keep users consistently connected worldwide. With an API-first architecture, integration and automation of all NS1 Connect functionalities become a straightforward task. The platform also allows users to manage all aspects of HTTPS redirects seamlessly from one centralized interface. Utilizing GSLB and RUM-based traffic steering, businesses can achieve global load balancing and minimize latency by leveraging near-real-time device performance insights. Additionally, our robust DDoS attack protection guarantees adequate capacity to handle traffic surges while implementing measures to prevent automated "junk" queries from affecting performance. NS1 Connect also provides customizable add-on options tailored to meet specific business requirements, including DNS Insights, which equips users with the necessary data to swiftly identify and address misconfigurations that could hinder application performance. Furthermore, the dedicated DNS feature ensures continuity of operations by maintaining a native secondary DNS resolution infrastructure, thus keeping your services operational. Lastly, DNS traffic steering enhances connection optimization to applications, services, and content based on various factors such as geography, real-user monitoring data, and overall load, ensuring an efficient and responsive user experience.

Syvir Cloud provides an advanced network monitoring software-as-a-service (SaaS) solution tailored for businesses, presenting valuable insights via intuitive dashboards and generating diagnostic reports that improve availability and optimize the uptime of network endpoints. This platform empowers users to efficiently track their endpoints' diagnostics, identify and resolve emerging issues, and receive real-time alerts whenever problems affect their endpoints. By leveraging these features, companies can enhance the reliability of their network performance, ensuring seamless operational continuity. Furthermore, this proactive approach allows organizations to stay ahead of potential disruptions, significantly contributing to overall efficiency and productivity.

XPM is a robust enterprise-level solution designed for performance management, monitoring, and traffic analysis. Built on a Linux foundation, XPM ensures continuous operation around the clock, every day of the year, making it highly effective for organizations that necessitate superior IT service quality. While it may not cater to every user, it is particularly advantageous for businesses with demanding performance requirements. The monitoring capabilities of XPM encompass various elements, including applications that utilize the HTTP protocol, databases like Oracle, MySQL, and MS-SQL Server, and URL transactions. XPM has received accolades such as the ITSS 2018 Innovation Award from the Ministry of Industry and Information Technology of China, recognizing its excellence in the field. Furthermore, it's important to note that this downloadable version of XPM Standard can analyze real-time traffic of around 1 Gbps and is only compatible with X86 server installations. Should you need vProbe XPM to oversee traffic from virtual machines or require the XPM H version for handling over 1 Gbps, please reach out to us via email for assistance. This robust monitoring solution plays a vital role in ensuring operational efficiency for your enterprise's IT infrastructure.

Wireshark is recognized as the premier and most extensively used network protocol analyzer globally. This powerful tool provides users with the ability to scrutinize the complex details of their network interactions and has established itself as the go-to reference for numerous sectors, such as businesses, non-profit organizations, governmental entities, and educational institutions. The ongoing evolution of Wireshark is supported by the contributions of networking experts from across the globe, stemming from a project launched by Gerald Combs back in 1998. As an interactive network protocol analyzer, Wireshark permits users to capture and investigate the data flowing through a computer network in real-time. Renowned for its comprehensive and robust features, it is the most preferred tool of its kind on an international scale. Additionally, it operates smoothly on various platforms, including Windows, macOS, Linux, and UNIX. Widely utilized by network professionals, security analysts, software developers, and educators worldwide, it remains freely available as an open-source application, distributed under the GNU General Public License version 2. Its community-oriented development approach not only keeps it aligned with the latest advancements in networking technologies but also encourages collaborative improvements from users everywhere. As a result, Wireshark continues to evolve and meet the ever-changing demands of network analysis.

Cisco Network Assistant presents an intuitive interface and a task-focused menu that simplifies the management of both wired and wireless networks, accommodating up to 80 devices. This free tool is crafted to ease the deployment of standard services across a range of Cisco equipment, including switches, routers, wireless controllers, and access points. Users benefit from immediate access to essential product details, such as warranty information, contract statuses, advisories, and end-of-life alerts, all through a seamless connection with Cisco Active Advisor, which gathers data from devices overseen by the Network Assistant. The software equips network administrators with a detailed overview of their infrastructure, enabling effective use of its capabilities for small to midsize businesses or branch offices. Moreover, it facilitates network discovery while visually depicting the network topology, in addition to allowing configuration management of Cisco products specifically designed for small and medium enterprises. This comprehensive approach ensures that administrators can efficiently monitor, maintain, and optimize their network systems, leading to improved operational control and performance. Ultimately, Cisco Network Assistant serves as an invaluable resource for enhancing network management practices within various organizational contexts.

The EC-Engineer software is designed for the configuration and troubleshooting of EtherCAT® systems. This versatile tool streamlines all engineering and diagnostic processes, making them efficient and user-friendly. Customers rely on it to ensure a seamless EtherCAT® experience, encompassing both setup and diagnostics. With an integrated EtherCAT master, users can easily scan and manage slave devices. For further information, visit the provided webpage, and don’t miss the opportunity to register for a complimentary trial. Explore the features and benefits that can enhance your EtherCAT® applications.

VPS+ serves as both an integrated development environment and a robust virtual layer network protocol IDE. It enables rapid prototyping and deployment of protocol stacks tailored for data network solutions, including applications in IoT and VoIP. Additionally, it ensures Quality Assurance by validating both network and device quality. The system allows for the simulation of impaired network conditions and devices in a controlled manner, and it provides the capability to generate any type of traffic with complete control. VPS+ also incorporates a wide array of cutting-edge technologies, such as protocol emulation across layers 2, 3, 4, and application protocols. It supports RTC and VoIP signaling through SIP or SIPs, as well as RTC and VoIP media using RTP or SRTP. Furthermore, it emulates and supports various media players, recorders, cameras, microphones, text-to-speech (TTS), and automatic speech recognition (ASR) systems, alongside supporting diverse speech and video codecs. The platform includes functionalities for tone generation and detection, IoT sensor and actuator emulation, as well as HTTP and IoT CoAP support. Lastly, VPS+ allows for impairment insertion at every layer, accommodating issues like loss and latency effectively. This comprehensive suite of features makes VPS+ an invaluable tool for developers and network engineers alike.