Free Network Monitor vs. OpenNMS Comparison Chart

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

ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.

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.

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.

PathSolutions TotalView network monitoring and troubleshooting software bridges the gap between NETWORK MONITORING and TROUBLESHOOTING RESOLUTION telling you WHEN, WHERE and WHY network errors occur. PathSolutions TotalView continuously monitors and tracks the performance of every device and every link in your entire network, going deeper than other solutions by collecting error counters, performance data, configuration information and connectedness. A built-in heuristics engine analyzes all of this information to produce plain-English answers to problems. This means that complex problems can be solved by junior level engineers leaving the senior level engineers to work on more strategic level projects. The core product includes everything needed to run a perfectly healthy network: Configuration management, server monitoring, cloud service monitoring, IPAM, NetFlow, path mapping, and diagramming. Get Total Network Visibility on your network and solve more problems faster.

Statseeker is a fully-featured network performance monitoring solution. It's highly scalable and delivers fast real-time performance data from a minimal server footprint. Statseeker can be up and running within minutes, and discovering your entire network in less than an hour, without any significant effect on your bandwidth availability. Statseeker monitors networks of any size, polling up to one million interfaces every 60 seconds, collecting network data such as SNMP, ping, NetFlow (sFlow and J-Flow), syslog and trap messages and API data, as well as SDN configuration and health metrics. Your network performance data is never averaged or rolled up. This removes the guesswork in identifying over- and underutilized infrastructure, conducting root cause analysis, or capacity planning. Statseeker's out-of-the-box dashboards and reports give you the contextual data needed to proactively monitor your network and fix problems before users are aware.

Pulseway is a real-time remote monitoring and management (RMM) software for MSPs and IT departments that allows you to take full control over your entire IT environment. Easy to use and quick to deploy, Pulseway ensures that any IT issues are detected, monitored, and addressed at the earliest time possible. The platform offers complete visibility through the Pulseway Dashboard, advanced automation, remote control, OS & 3rd party patch management, network monitoring, IT automation, custom reports, complete command traceability, email notifications, and so much more. We also offer add-ons for endpoint protection, business management (PSA) and backup & disaster recovery software and integration with leading AV providers to give you the power of a full IT stack. Over 6,000 customers worldwide use Pulseway every day to pro-actively manage their own and customers IT infrastructure. Test it free today with our 14-day no commitment trial.

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.

Domotz is an IT Infrastructure Monitoring and Management Software on a mission to provide all service providers, MSPs, integrators, and enterprises with affordable network monitoring software that enables you to work smarter, build customer loyalty, and solve problems faster than ever. Domotz enables the complete solution to cost-effectively manage and monitor your customers’ networks with a plug-and-play setup, a friendly UX, and a comprehensive feature set accessible from any desktop browser or mobile device. Monitor any network and IT infrastructure with our powerful, affordable, user-friendly network monitoring software. All the features you need to manage and monitor your IT infrastructure proactively.

NetCrunch is a powerful, scalable, all-in-one network monitoring system built for modern IT environments. It supports agentless monitoring of thousands of devices, covering SNMP, servers, virtualization (VMware, Hyper-V), cloud (AWS, Azure, GCP), traffic flows (NetFlow, sFlow), logs, and custom data via REST or scripts. With 670+ monitoring packs and dynamic views, it automates discovery, configuration, alerting, and automates self-healing actions for efficient remote remediation in response to alerts. Its node-based licensing eliminates sensor sprawl and complexity, providing a clear, cost-effective path to scale. Real-time dashboards, policy-driven setup, advanced alert tuning and 40+ alert actions including remote script execution, service restart, process kill or device reboot-make NetCrunch ideal for organizations replacing legacy tools like PRTG, SolarWinds, or WhatsUp Gold. Fast to deploy and future-proof. Can be installed on prem, self hosted in the cloud, or mixed.