Best Free Network Management Software

There are an estimated 25 million engineers in the world across dozens of distinct functions. As every company becomes a software company, engineers are using New Relic to gather real-time insights and trending data about the performance of their software so they can be more resilient and deliver exceptional customer experiences. Only New Relic provides an all-in-one platform that is built and sold as a unified experience. With New Relic, customers get access to a secure telemetry cloud for all metrics, events, logs, and traces; powerful full-stack analysis tools; and simple, transparent usage-based pricing with only 2 key metrics. New Relic has also curated one of the industry’s largest ecosystems of open source integrations, making it easy for every engineer to get started with observability and use New Relic alongside their other favorite applications.

Bright Data is the world's #1 web data, proxies, & data scraping solutions platform. Fortune 500 companies, academic institutions and small businesses all rely on Bright Data's products, network and solutions to retrieve crucial public web data in the most efficient, reliable and flexible manner, so they can research, monitor, analyze data and make better informed decisions. Bright Data is used worldwide by 20,000+ customers in nearly every industry. Its products range from no-code data solutions utilized by business owners, to a robust proxy and scraping infrastructure used by developers and IT professionals. Bright Data products stand out because they provide a cost-effective way to perform fast and stable public web data collection at scale, effortless conversion of unstructured data into structured data and superior customer experience, while being fully transparent and compliant.

JDisc Discovery is a comprehensive network inventory and IT asset management solution designed to help organizations gain clear, up-to-date visibility into their IT environment. It automatically scans and maps devices across the network, including servers, workstations, virtual machines, and network hardware, to create a detailed inventory of all connected assets. This includes critical information such as hardware configurations, software installations, patch levels, and relationshipots between devices. One of the standout features of JDisc Discovery is its agentless discovery process, meaning it does not require the installation of any software on individual devices, reducing deployment time and minimizing network impact. It supports a wide range of protocols (e.g., SNMP, SSH, WMI) to gather data, making it compatible with diverse IT environments, whether they are Windows, Linux, or Unix-based.

Grafana Labs delivers the leading AI-powered observability platform, built around Grafana—the world’s most widely adopted open source technology for dashboards and visualization. Recognized as a Leader in the 2026 Gartner® Magic Quadrant™ for Observability Platforms (3x) and furthest in Completeness of Vision (2025, 2026), Grafana Labs supports more than 25 million users and thousands of organizations, from startups to the Fortune 500. Grafana Cloud is the open observability cloud, built on open source, open standards, and open ecosystems. Powered by the LGTM stack—Grafana (visualization), Mimir (metrics), Loki (logs) & Tempo (traces)—it unifies telemetry in one platform for full-stack visibility across applications, infrastructure, and digital experiences. With the AI-powered Grafana Assistant and Adaptive Telemetry suite, teams detect and resolve issues faster, reduce wasteful telemetry spend, and gain real-time insights to ensure reliability. Native OTel support and 100s of integrations mean you can plug in existing tools & data sources.

Apify is a full-stack web scraping and automation platform helping anyone get value from the web. At its core is Apify Store, a marketplace with over 10,000 Actors where developers build, publish, and monetize automation tools. Actors are serverless cloud programs that extract data, automate web tasks, and run AI agents. Developers build them using JavaScript, Python, or Crawlee, Apify's open-source library. Build once, publish to Store, and earn when others use it. Thousands of developers do this - Apify handles infrastructure, billing, and monthly payouts. Apify Store has ready-made Actors for scraping Amazon, Google Maps, social media, tracking prices, lead-gen, and more. Actors handle proxies, CAPTCHAs, JavaScript rendering, headless browsers, and scaling. Everything runs on Apify's cloud with 99.95% uptime. SOC2, GDPR, and CCPA compliant. Integrate with Zapier, Make, n8n, and LangChain. Apify's MCP server lets AI like Claude dynamically discover and use Actors

cside is a browser-layer security platform that gives you visibility for every visitor, human or agentic. Security, fraud prevention, privacy and compliance, all from a single script. Unlike traditional WAFs and server-side security tools, cside operates directly in the browser environment, monitoring every third-party script loaded on your pages in real time. This means threats that bypass your backend defences are caught at the point of execution. What cside does: Script Monitoring and Control: cside inventories, monitors, and enforces policy on every third-party JavaScript tag running on your site. 100% session coverage, no sampling. Every script. Every page load. Detect supply chain attacks, shadow scripts, and unauthorised tag injections before they reach your customers. PCI DSS 4.0.1 Compliance: cside is the fastest path to meeting PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1. Automated script authorisation, tamper detection, and continuous monitoring satisfy QSA requirements without manual effort. Validated by VikingCloud. Device Intelligence: Persistent, privacy-safe device intelligence using 102+ signals and 40+ hashed attributes. 99.7% fingerprint accuracy enables fraud prevention, bot detection, and session continuity across logins, checkouts, and account actions. AI Agent and Bot Detection: Identify and classify AI crawlers, headless browsers, and automated agents interacting with your site. Protect pricing data, inventory, and content from scraping and abuse. Chargeback Evidence: Capture cryptographically verifiable session evidence at checkout to dispute fraudulent chargebacks. Reduce dispute losses without adding friction to genuine customers. Who uses cside: E-commerce retailers, payment service providers, digital agencies, travel and hospitality platforms, iGaming and betting operators, financial services firms, and SaaS companies managing PCI compliance, fraud risk, and client-side attack surface across high-traffic web environments. Deployment: One-line script tag. No proxy. No latency impact. Up and running in under 5 minutes. SOC 2 Type II certified. PCI SAQ-D validated.

Oxylabs is a market leader in web intelligence with enterprise-grade, ethical, and compliant solutions. Its proxy infrastructure spans one of the largest global networks, offering residential, ISP, mobile, datacenter, & dedicated datacenter proxies, along with Web Unblocker – an AI-driven tool that ensures block-free access to even the most protected sites. On the scraping tools side, the Oxylabs Web Scraper API manages every stage of large-scale data extraction. For dynamic, bot-protected websites, the Headless Browser ensures uninterrupted access. Oxylabs also offers AI Studio, which lets users extract data without writing code. The ready-made datasets provide structured data across industries such as e-commerce, real estate, and more – for data projects without custom scraping. In short, Oxylabs offers 177M+ IPs in 195 countries & is trusted by 4000+ clients worldwide, including Fortune 500 companies. Plus, the 24/7 customer service ensures clients get support when needed.

OpManager is a network management tool geared to monitor your entire network. Ensure all devices operate at peak health, performance, and availability. The extensive network monitoring capabilities lets you track performance of switches, routers, LANs, WLCs, IP addresses, and firewalls. Monitor the finer aspects of your network: Hardware monitoring enables CPU, memory, and disk monitoring, for efficient. performance of all devices. Perform seamless faults and alerts management with real-time notifications and detailed logs for quick issue detection and resolution. Achieve network automation, with workflows enabling automated diagnostics and troubleshooting actions. Advanced network visualization-including business views, topology maps, heat maps, and customizable dashboards give admins an at-a-glance view of network status. 250+ pre-built reports covering metrics like device performance, network usage, uptime, facilitate capacity planning and improved decision-making.

A virtual waiting room is a page that holds visitors away from a busy website and feeds them back to the protected website at a rate it can handle while still maintaining responsiveness and performance. This means websites can handle unexpected or sudden peaks in traffic without website crashes, and without having to waste energy powering additional servers when things are not busy, so it's green tech too. Fair virtual waiting rooms pass visitors back in first-come, first-served order. A good virtual waiting room should also keep the visitor fully informed of their progress and remaining wait. There's nothing worse for your business than a crashed site. High-demand sales don't just damage your servers, they damage your reputation. Protect your customers' goodwill with a smooth branded journey. Show your customers that fairness matters with our proprietary first-in, first-out virtual waiting room technology, invented by us and originally patented in 2004.

Network Configuration Manager is a multi-vendor network change, configuration and compliance management (NCCM) solution for switches, routers, firewalls and other network devices. NCM helps automate and take total control of the entire life cycle of device configuration management. Schedule device configuration backups, track user activity and spot changes by comparing configuration versions all from a centralized web GUI. Monitor configuration changes, get instant notifications and prevent unauthorized changes to make your networking environment secure, stable and compliant. Define standard practices and policies, check device configurations for violations and readily apply remedial measures to ensure device compliance. Save time by automating repetitive, time-consuming configuration management tasks and also by centrally applying configuration changes to devices in bulk.

NetFlow Analyzer is a comprehensive traffic analysis tool that leverages flow technologies to provide real-time visibility into network bandwidth performance. NetFlow Analyzer is primarily a bandwidth monitoring tool, which has optimized thousands of networks globally, offering a holistic view of your network bandwidth and traffic patterns. NetFlow Analyzer is a unified solution that collects, analyzes, and reports on your network's bandwidth usage, and by whom. NetFlow Analyzer is your partner in optimizing bandwidth usage across a million interfaces globally, as well as providing network forensics and network traffic analysis. Reconfigure policies with traffic shaping via ACLs or class-based policies to gain control of the applications that use the most bandwidth. NetFlow Analyzer leverages Cisco NBAR technology to give you deep visibility into Layer 7 traffic and recognize applications that use dynamic port numbers or hide behind known ports.

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.

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.

MyMonitor365 is an enterprise-grade uptime and infrastructure monitoring platform designed to help businesses detect outages and technology issues before they impact users. The platform provides monitoring capabilities for websites, APIs, servers, DNS, SSL certificates, TCP ports, email systems, backups, and Microsoft 365 services through one centralized dashboard. MyMonitor365 supports multi-location monitoring, smart alerting, maintenance scheduling, and real-time incident notifications to help IT teams respond quickly to infrastructure problems. The platform also includes advanced features such as SSL security analysis, DNS change monitoring, compliance audit logging, keyword monitoring, and customizable escalation policies for critical incidents. Built for IT teams, managed service providers, and businesses with mission-critical systems, MyMonitor365 integrates with tools such as Slack, Microsoft Teams, Discord, Telegram, Zapier, Trello, and webhooks.

Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many more

Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

Better Stack is an eBPF-based, AI SRE observability tool that helps you ship better software, faster. Schedule on-call rotations, receive actionable alerts, and resolve incidents with ease. Better Stack brings together incident management, uptime monitoring, status pages, log management, and infrastructure monitoring – all in one place. Built for speed and scale, it combines multiple monitoring and alerting workflows into a single, powerful interface that boosts visibility and slashes response times. Key features include an OpenTelemetry-native Kubernetes collector powered by eBPF, real-time alerting, and collaborative dashboards. Under the hood, Better Stack runs on ClickHouse, enabling lightning-fast queries and scalable ingestion across high-cardinality datasets. You can visualize your entire stack, turn all your logs into structured data, and query everything with SQL – as if it were a single database. Seamlessly integrates into your workflow with 100+ integrations.

Obkio is a network monitoring software, observability and diagnostics platform that gives IT teams, MSPs, and network engineers full visibility into network performance, from the office to the cloud. As a leading Network Performance Monitoring (NPM) tool, Obkio deploys lightweight monitoring agents at any location to continuously track latency, jitter, packet loss, and bandwidth, and run Visual Traceroutes across the entire network path. Obkio supports SD-WAN, MPLS, VoIP/UC, and multi-site network monitoring, plus application performance monitoring (APM) with HTTP, Web, and Teams tests. With Obkio Insight, diagnostics are automated, helping teams pinpoint whether issues originate in-house, with an ISP, or a third-party service, and hold providers accountable with real data. Fast to deploy with no hardware required, Obkio turns network data into clear diagnostics and insights. Helping teams reduce downtime, validate SLAs, and prove the performance they're paying for.

Social media, SEO scraping, online gaming, website unblocking, and many other purposes. Proxy-Seller provides a diverse range of proxy services, including datacenter IPv4 & IPv6, ISP, residential, and rotating 4G/5G mobile proxies, all tailored to specific use cases. Their proxies support HTTP(S) protocol, offering a dedicated channel speed of up to 1 Gbps. Users can choose between username-password authentication and IP whitelisting for secure access. The service boasts a 99.9% uptime, ensuring reliable and stable connections. Proxy-Seller's extensive infrastructure includes over 400 networks and 800 subnets, providing a wide selection of IP addresses across more than 220 countries, such as the U.S., Canada, Russia, Germany, France, Netherlands, and the U.K. This vast network allows for precise geo-targeting, enabling users to select proxies by country, state, or city.

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.

IT performance monitoring is not about monitoring CPU, memory and network resources any more. eG Enterprise makes user experience the centerpiece of your IT monitoring and management strategy. With eG Enterprise, you can measure the digital experience of your users, get deep visibility into the performance the entire application delivery stack — from code to user experience, and data center to cloud — from a single pane of glass, correlate performance across domains and pinpoint the root-cause of problems proactively. Machine learning and analytics capabilities embedded in eG Enterprise enable IT teams make intelligent decisions regarding right-sizing, optimization and planning for future growth. The result: happy users, enhanced productivity, improved IT efficiency and tangible business ROI. eG Enterprise is available for installation on-premise and as a SaaS solution. Start a free trial today.

Faddom offers real-time, agentless application dependency mapping to give IT teams instant, risk-free visibility into hybrid environments. No credentials, no software installs, and no firewall changes. Faddom maps servers, applications, cloud resources, and traffic flows within an hour of deployment. This always-live mapping supports security audits, change impact analysis, cloud migration, IT documentation, and incident response. Faddom provides continuous infrastructure clarity without disruption, enabling better planning, control, and compliance. Trusted by organizations across industries, Faddom is built for speed, security, and simplicity. Deploy fast. Discover more. Stay in control.

CacheGuard-OS is a free, open-source Linux-based network security appliance OS that turns any standard x86 machine into a UTM gateway. It sits between your devices and your ISP router, becoming the checkpoint for all internet traffic — no IT team required. Open-source since its first release, CacheGuard-OS includes: stateful firewall, web antivirus (ClamAV), URL filtering, SSL inspection, WAF (ModSecurity), VPN server (StrongSwan), web cache (Squid), QoS (IPRoute2), and WAN load balancing. It installs on bare metal or any common hypervisor in under an hour. Configuration is handled through a web-based admin interface with no command-line expertise needed. Built for small businesses, schools, and sysadmins who need production-grade network security on commodity hardware.

Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container Monitoring

Easy to use configuration web interface for Nagios and Naemon. The monitoring solution for corporations and SMEs From large data centers to critical IT services – monitor and manage all of your servers, applications and systems at a glance! openITCOCKPIT creates transparency by providing comprehensive monitoring of your entire IT landscape. Its modular design includes features such as reporting, event correlation and clustering capabilities – all in an intuitive web interface. And by using its supplied host and service templates, experienced administrators can save time and effort which will be better placed in other areas. The supplied REST API makes it easy to connect to external systems. With openITCOCKPIT, the classical division between monitoring and configuration is removed. After exporting the configuration to Naemon/Nagios, users can immediately see the status of the monitored hosts and services in the front end and then edit them directly.

Splunk Enterprise is a powerful platform that turns data into actionable insights across security, IT, and business operations. It enables organizations to search, analyze, and visualize data from virtually any source, providing a unified view across edge, cloud, and hybrid environments. With real-time monitoring, alerts, and dashboards, teams can detect issues quickly and act decisively. Splunk AI and machine learning features predict problems before they happen, improving resilience and decision-making. The platform scales to handle terabytes of data and integrates with thousands of apps, making it a flexible solution for enterprises of all sizes. Trusted by leading organizations worldwide, Splunk helps teams move from visibility to action.

MacroProxy is a premium proxy service that offers high-quality performance and reliability. With a pool of 95 million high-quality residential IPs and coverage in 195 countries, all IPs are sourced from trustworthy networks, it stands out in the market. Suitable for web scraping, SEO, social media management, and more.

Market-leading proxy solution provides tens of millions of IP resources. Commercial residential and ISP proxy network includes 90M+ IPs around the world. Exclusive high-performance server requests access to real residential addresses. Abundant bandwidth support business demands. Real-time speed can reach 1M-5M/s.99% success rate guarantee data collection activities. There is no limit to the number of uses or invocation frequencies of the proxies. You can generate huge amounts of proxies at one time. Provide various API parameter configurations. Generate proxies by the method of username & password authentication, convenient and fast. Get highly anonymous real residential IPs and your privacy and safety are completely protected. Your real network environment won't be acquired at any time. Exclusive high-performance server requests access in real residential addresses, maintaining the normal connection of the proxies. Unlimited concurrency reduces business costs.

Ansible is a radically simple automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs. Ansible Automation Platform has grown over the past years to provide powerful automation solutions that work for operators, administrators and IT decision makers across a variety of technology domains. It’s a leading enterprise automation solution from Red Hat®, a thriving open source community, and the de facto standard technology of IT automation. Scale automation, manage complex deployments, and speed productivity with an enterprise automation platform that can be used across entire IT teams. Red Hat or partner consulting services help you advance your end-to-end automation journey for faster time to value.