Compare the Top Free Network Troubleshooting Software as of December 2025

What is Free Network Troubleshooting Software?

Network troubleshooting software enables the optimization of network issue identification through analysis, testing and functional solution implementation. Compare and read user reviews of the best Free Network Troubleshooting software currently available using the table below. This list is updated regularly.

  • 1
    ManageEngine OpManager
    ManageEngine OpManager is a comprehensive network troubleshooting tool designed to quickly identify and resolve network issues. It provides real-time monitoring and alerting for network devices, helping IT teams detect faults, bottlenecks, and performance anomalies. With features like root cause analysis, detailed performance reports, and customizable dashboards, OpManager enables efficient troubleshooting by providing deep insights into network health and performance. Its intuitive interface allows for easy navigation and analysis, ensuring that network problems are addressed promptly to minimize downtime and maintain optimal performance.
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    Starting Price: $95.00/one-time
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  • 2
    ManageEngine OpUtils
    OpUtils is IP address and switch port management software that is geared towards helping engineers efficiently monitor, diagnose, and troubleshoot IT resources. OpUtils complements existing management tools by providing trouble shooting and real-time monitoring capabilities. It helps network engineers manage their switches and IP address space with ease. With a comprehensive set of over 20 tools, this switch port management tool helps with network monitoring tasks like detecting a rogue device intrusion, keeping an eye on bandwidth usage, monitoring availability of critical devices, backing up Cisco configuration files, and more. Enable advanced IP scanning of IPv4 and IPv6 subnets in your network to identify the available and used IP addresses. Scan all the switches in your network, map switch ports, run port scans and view details such as physical location, user, and more. Identify rogue device intrusions and block access to these devices.
    Starting Price: $138.00
  • 3
    NMIS

    NMIS

    FirstWave

    FirstWave’s NMIS is a complete network management system that provides fault, performance, and configuration management, performance graphs, and threshold alerts. Business rules allow for highly granular notification policies with many types of notification methods. NMIS consolidates multiple tools into one system, ready for Network Engineers to use. Scalable, flexible, open, and simple to implement and maintain, NMIS is the Network Management System that underpins the operations of over one hundred thousand organizations worldwide – making it one of the most widely used open-source Network Management Systems in the world today. FirstWave enables partners, including some of the world’s largest telcos and managed service providers (MSPs), to protect their customers from cyber-attacks, while rapidly growing cybersecurity services revenues at scale. FirstWave provides a comprehensive end-to-end solution for network discovery, management, and cybersecurity for its partners globally.
    Starting Price: $0
  • 4
    XPM

    XPM

    ProtocolSoft Tech., Inc.

    XPM is a commercial quality and enterprise level performance management/monitoring and traffic analysis solution. XPM is a high-performance enterprise product based on Linux, which supports continuous operation of 7*24*365. Therefore, it may not be suitable for individual users, but more suitable for enterprise users who need higher IT service quality. XPM monitoring objects include: 1. Applications using HTTP protocol; 2. Databases (Oracle, MySQL, MS-SQL server); 3. URL Transaction; 4. Network, server and client. Awards of XPM: Innovation Award of ITSS 2018, ITSS is a department of Ministry of Industry and Information Technology of the People's Republic of China. Please note that: The downloadable version here is XPM standard version, which can analyze about 1 Gbps of traffic in real time, and only supports X86 server deployment. If you need vProbe-XPM to monitor virtual machine traffic, or XPM-H version over 1 Gbps, please contact us by email.
    Starting Price: $0/month/module
  • 5
    Obkio

    Obkio

    Obkio

    Network Performance Monitoring Made Easy. Obkio is a simple Network Monitoring and Troubleshooting SaaS solution that allows users to continuously monitor the health of their network and core business applications to improve the end-user experience. The innovative software application identifies the causes of intermittent network, VoIP, video, and applications slowdown in seconds and collect information to quickly troubleshoot problems before they affect your end-users. Deploy network monitoring Agents at strategic locations in a company's offices or network destinations such as data sites, remote sites, external client sites, or public or private clouds to continuously monitor performance using synthetic traffic exchanged every 500ms. Obkio's Agents give you a 360-degree overview of your network by measuring the network metrics like matter most (jitter, latency, packet loss, VoIP quality), and alerting you of any performance degradation.
    Starting Price: $399 per month
  • 6
    PingPlotter

    PingPlotter

    Pingman Tools

    PingPlotter is a network monitoring and troubleshooting solution that helps millions of internet citizens find the source of network problems and prove the culprit. Get up-to-the-second feedback on key metrics like latency, jitter, and MOS. Chart detailed timelines of internet connection performance. Quickly find and diagnose the source of internet lag, server disconnects, and other downtime. Skip the tedious work with automated alerts and let PingPlotter keep watch for you. Share objective, easy-to-read graphs of performance metrics with internet service providers, IT teams, or others. Fix the right thing the first time with actionable data. Test a single computer with PingPlotter for Desktop, or use PingPlotter Cloud to monitor multiple devices from your web browser.
    Starting Price: $6.99 per month
  • 7
    EtherCAT® Tool

    EtherCAT® Tool

    acontis technologies GmbH

    The EC-Engineer is a software tool used for configuration and diagnosis of EtherCAT® networks. Using this single tool one can handle all required engineering and diagnosis tasks in a quick and comfortable way. The modern, clear and very intuitive user interface, which is also rarely using popup dialogs, is crucial for a smooth experience in configuring and diagnosis of customer's EtherCAT® systems. With the help of integrated EtherCAT master the connected slave devices can be scanned and operated. Get more details on this page: https://acontis.com/en/ecengineer.html Register for an free trail here: https://acontis.com/en/eceval.html
  • 8
    VPS+

    VPS+

    L7TR

    VPS+ is a powerful virtual layered network protocol IDE or integrated development environment that can be used for: 1) Fast prototyping and deployment of protocol stacks in data network solutions including IoT and VoIP 2) Quality Assurance as a tool to validate network and device quality 3) Emulation of impaired network conditions and devices in a controlled fashion 4) Generation of any type of traffic with full control VPS+ supports several state-of-the-art technologies including: 1) Protocol Emulation: L2, L3, L4 and Application layer protocols. 2) RTC and VoIP signaling via SIP and SIPs. 3) RTC and VoIP media via RTP and SRTP. 4) Emulation and support of media players, media recorders, camera, microphone, text-to-speech (TTS) and automatic speech recognition (ASR). 5) Speech codecs 6) Video codecs 7) Tone generation and detection. 8) IoT sensor and actuator emulation. 9) IoT CoAP and HTTP support. 10) Impairment insertion at all layers; loss and late
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