# Top Free Network Monitoring Software ## How Many Network Monitoring Software Products Does G2 Track? **Total Products under this Category:** 183 ### Category Stats (Jul 2026) - **Average Rating:** 4.5/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** NetSense NMS (+5.56%) - Among all products in this category, NetSense NMS recorded the largest rating increase compared to last month _Last updated: July 21, 2026_ ## How Does G2 Rank Network Monitoring Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 19,200+ Authentic Reviews - 183+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. [ NinjaOne ](https://www.g2.com/products/ninjaone/reviews) By [NinjaOne](https://www.g2.com/sellers/ninjaone) [ 4.7/5(4,695) ](https://www.g2.com/products/ninjaone/reviews) What do users say? Users consistently praise the ease of use and powerful automation features of NinjaOne, which streamline IT management tasks and save time. The intuitive interface allows for quick deployment and effe Pros and Cons [ Ease of Use (1373) ](https://www.g2.com/products/ninjaone/reviews?qs=pros-and-cons)[ Missing Features (792) ](https://www.g2.com/products/ninjaone/reviews?qs=pros-and-cons) [ Atera ](https://www.g2.com/products/atera/reviews) By [Atera](https://www.g2.com/sellers/atera) [ 4.6/5(1,224) ](https://www.g2.com/products/atera/reviews) What do users say? Users consistently praise Atera for its intuitive interface and all-in-one platform that simplifies IT management tasks. The ability to manage monitoring, ticketing, and remote access from a single da Pros and Cons [ Ease of Use (386) ](https://www.g2.com/products/atera/reviews?qs=pros-and-cons)[ Missing Features (161) ](https://www.g2.com/products/atera/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ OpManager Nexus ](https://www.g2.com/products/opmanager-nexus/reviews) By [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704) [ 4.5/5(225) ](https://www.g2.com/products/opmanager-nexus/reviews) What do users say? Users consistently praise the user-friendly interface and real-time monitoring capabilities of ManageEngine OpManager, which simplify network management and enhance operational efficiency. The tool's Pros and Cons [ Monitoring (44) ](https://www.g2.com/products/opmanager-nexus/reviews?qs=pros-and-cons)[ Complexity (14) ](https://www.g2.com/products/opmanager-nexus/reviews?qs=pros-and-cons) [ Paessler PRTG ](https://www.g2.com/products/paessler-prtg/reviews) By [Paessler GmbH](https://www.g2.com/sellers/paessler-gmbh) [ 4.7/5(209) ](https://www.g2.com/products/paessler-prtg/reviews) What do users say? Users consistently praise the ease of setup and intuitive dashboards of Paessler PRTG, highlighting how quickly they can start monitoring their networks without extensive configuration. The auto-disco Pros and Cons [ Ease of Use (76) ](https://www.g2.com/products/paessler-prtg/reviews?qs=pros-and-cons)[ Expensive (30) ](https://www.g2.com/products/paessler-prtg/reviews?qs=pros-and-cons) ## FAQs About Network Monitoring Software Generated using AI Last updated: June 3, 2026 ### Leading network monitoring tools for IT managers Based on G2 reviews, these products are frequently chosen for centralized visibility, alerting, and faster troubleshooting. - [NinjaOne](https://www.g2.com/products/ninjaone) — remote monitoring, patching, endpoint support. - [Paessler PRTG](https://www.g2.com/products/paessler-prtg) — sensor-based monitoring and alerting. - [Atera](https://www.g2.com/products/atera) — all-in-one monitoring and ticketing. - [ManageEngine OpManager](https://www.g2.com/products/manageengine-opmanager) — device visibility and performance dashboards. ### What's the leading network monitoring software for business use Based on G2 reviews, buyers often compare products that combine monitoring, alerting, and day-to-day administration. - [NinjaOne](https://www.g2.com/products/ninjaone) — centralized endpoint monitoring and patching. - [Atera](https://www.g2.com/products/atera) — remote support with ticketing workflows. - [Paessler PRTG](https://www.g2.com/products/paessler-prtg) — network visibility with custom sensors. - [ManageEngine OpManager](https://www.g2.com/products/manageengine-opmanager) — multi-vendor monitoring and alerts. ### Top network monitoring software recommended for tech companies Based on G2 reviews, these options stand out for proactive alerts, troubleshooting speed, and broad monitoring coverage. - [Paessler PRTG](https://www.g2.com/products/paessler-prtg) — proactive monitoring with historical trends. - [ManageEngine OpManager](https://www.g2.com/products/manageengine-opmanager) — centralized network and server monitoring. - [Atera](https://www.g2.com/products/atera) — unified monitoring, patching, and support. - [NinjaOne](https://www.g2.com/products/ninjaone) — endpoint health visibility and automation. ### What features are most important in network monitoring software According to verified users, the most valued capabilities are real-time monitoring, alerting, dashboards, and centralized visibility across devices, servers, and applications. Reviews also repeatedly point to automated discovery, traffic or bandwidth visibility, remote access, scripting, patching, and configuration backups as practical time savers. Buyers also care about fast setup, intuitive navigation, and flexible integrations with ticketing, cloud, or existing IT tools. On the downside, users often mention that reporting customization, noisy alerts, and interface complexity can slow teams down. In recent reviews, the strongest products help teams catch issues early, troubleshoot quickly, and reduce the need to jump between multiple tools. ### How do teams use network monitoring for troubleshooting According to verified users, teams use network monitoring to move from reactive support to earlier detection and faster diagnosis. Recent reviews describe technicians watching device health, interface status, traffic patterns, packet loss, bandwidth spikes, and service availability from one console. When alerts fire, teams drill into maps, dashboards, historical trends, and root-cause views to see whether the issue starts with a switch, WAN link, endpoint, server, or application dependency. Reviewers also mention using automated discovery and topology context to avoid manual tracing. The practical outcome is shorter investigation time, fewer on-site visits, and quicker handoff to the right team when the problem is network-related rather than an application or user device issue. [ Site24x7 ](https://www.g2.com/products/site24x7/reviews) By [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704) [ 4.6/5(440) ](https://www.g2.com/products/site24x7/reviews) What do users say? Users consistently praise the product for its ease of use and reliable alerts, which help them monitor their systems effectively. The intuitive interface and comprehensive monitoring capabilities allo Pros and Cons [ Ease of Use (72) ](https://www.g2.com/products/site24x7/reviews?qs=pros-and-cons)[ Alert Issues (22) ](https://www.g2.com/products/site24x7/reviews?qs=pros-and-cons) [ TeamViewer ](https://www.g2.com/products/teamviewer/reviews) By [TeamViewer](https://www.g2.com/sellers/teamviewer) [ 4.5/5(4,047) ](https://www.g2.com/products/teamviewer/reviews) What do users say? Users consistently praise the ease of use and reliable performance of TeamViewer, highlighting its ability to facilitate quick remote connections and support. Many appreciate its cross-platform compat Pros and Cons [ Ease of Use (518) ](https://www.g2.com/products/teamviewer/reviews?qs=pros-and-cons)[ Connection Issues (181) ](https://www.g2.com/products/teamviewer/reviews?qs=pros-and-cons) [ Datadog ](https://www.g2.com/products/datadog/reviews) By [Datadog](https://www.g2.com/sellers/datadog) [ 4.4/5(726) ](https://www.g2.com/products/datadog/reviews) What do users say? Users consistently praise real-time monitoring and the intuitive dashboards that simplify tracking application performance and infrastructure health. The platform's ability to consolidate logs, metric Pros and Cons [ Ease of Use (145) ](https://www.g2.com/products/datadog/reviews?qs=pros-and-cons)[ Expensive (92) ](https://www.g2.com/products/datadog/reviews?qs=pros-and-cons) [ ExtraHop ](https://www.g2.com/products/extrahop/reviews) By [ExtraHop Networks](https://www.g2.com/sellers/extrahop-networks) [ 4.6/5(68) ](https://www.g2.com/products/extrahop/reviews) What do users say? Users consistently praise ExtraHop for its comprehensive network visibility and ease of use, allowing teams to quickly identify and respond to security threats. The intuitive interface and customizabl Pros and Cons [ All-in-One Solution (1) ](https://www.g2.com/products/extrahop/reviews?qs=pros-and-cons) [ Dynatrace ](https://www.g2.com/products/dynatrace/reviews) By [Dynatrace](https://www.g2.com/sellers/dynatrace) [ 4.5/5(1,366) ](https://www.g2.com/products/dynatrace/reviews) What do users say? Users consistently praise Dynatrace for its AI-driven insights and ease of deployment, which streamline monitoring and troubleshooting across complex environments. The platform's ability to provide co Pros and Cons [ Ease of Use (84) ](https://www.g2.com/products/dynatrace/reviews?qs=pros-and-cons)[ Learning Curve (43) ](https://www.g2.com/products/dynatrace/reviews?qs=pros-and-cons) [ Entuity ](https://www.g2.com/products/entuity/reviews) By [Park Place Technologies](https://www.g2.com/sellers/park-place-technologies) [ 4.6/5(102) ](https://www.g2.com/products/entuity/reviews) What do users say? Users consistently praise the intuitive user interface and ease of use of Entuity, highlighting how it simplifies network monitoring and management tasks. Many appreciate its comprehensive features, s Pros and Cons [ Ease of Use (11) ](https://www.g2.com/products/entuity/reviews?qs=pros-and-cons)[ Integration Issues (4) ](https://www.g2.com/products/entuity/reviews?qs=pros-and-cons) [ SolarWinds Observability ](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews) By [SolarWinds Worldwide LLC](https://www.g2.com/sellers/solarwinds-worldwide-llc) [ 4.3/5(860) ](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews) What do users say? Users consistently praise the product for its unified visibility across infrastructure, applications, and logs, which simplifies monitoring and troubleshooting. The intuitive dashboards and real-time Pros and Cons [ Ease of Use (21) ](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews?qs=pros-and-cons)[ Learning Curve (13) ](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews?qs=pros-and-cons) [ ManageEngine NetFlow Analyzer ](https://www.g2.com/products/manageengine-netflow-analyzer/reviews) By [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704) [ 4.6/5(50) ](https://www.g2.com/products/manageengine-netflow-analyzer/reviews) What do users say? Users consistently praise the real-time monitoring and network visibility provided by ManageEngine NetFlow Analyzer, which simplifies troubleshooting and enhances capacity planning. The intuitive dash Pros and Cons [ Ease of Use (10) ](https://www.g2.com/products/manageengine-netflow-analyzer/reviews?qs=pros-and-cons)[ Complex Configuration (5) ](https://www.g2.com/products/manageengine-netflow-analyzer/reviews?qs=pros-and-cons) [ N-able N-central ](https://www.g2.com/products/n-able-n-central/reviews) By [N-able](https://www.g2.com/sellers/n-able) [ 4.4/5(562) ](https://www.g2.com/products/n-able-n-central/reviews) What do users say? Users consistently praise the product for its robust automation capabilities and comprehensive monitoring, which streamline IT management and enhance proactive issue resolution. The platform's ability Pros and Cons [ Ease of Use (188) ](https://www.g2.com/products/n-able-n-central/reviews?qs=pros-and-cons)[ Missing Features (87) ](https://www.g2.com/products/n-able-n-central/reviews?qs=pros-and-cons) [ Progress WhatsUp Gold ](https://www.g2.com/products/progress-whatsup-gold/reviews) By [Progress Software](https://www.g2.com/sellers/progress-software) [ 4.4/5(389) ](https://www.g2.com/products/progress-whatsup-gold/reviews) What do users say? Users consistently praise the ease of use and real-time monitoring capabilities of Progress WhatsUp Gold, highlighting its intuitive interface and effective alerting system that helps quickly identify Pros and Cons [ Ease of Use (47) ](https://www.g2.com/products/progress-whatsup-gold/reviews?qs=pros-and-cons)[ Expensive (16) ](https://www.g2.com/products/progress-whatsup-gold/reviews?qs=pros-and-cons) [ Pandora FMS ](https://www.g2.com/products/pandora-fms/reviews) By [Pandora FMS](https://www.g2.com/sellers/pandora-fms) [ 4.6/5(217) ](https://www.g2.com/products/pandora-fms/reviews) What do users say? Users consistently praise Pandora FMS for its comprehensive monitoring capabilities and user-friendly interface, which allow for effective management of servers, networks, and applications. The softwa Pros and Cons [ Monitoring (138) ](https://www.g2.com/products/pandora-fms/reviews?qs=pros-and-cons)[ Learning Curve (44) ](https://www.g2.com/products/pandora-fms/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) - ‹ Prev‹ Prev - 1 - [2](/categories/network-monitoring/free?order=g2_score&page=2#product-list) - [3](/categories/network-monitoring/free?order=g2_score&page=3#product-list) - [4](/categories/network-monitoring/free?order=g2_score&page=4#product-list) - [5](/categories/network-monitoring/free?order=g2_score&page=5#product-list) - [Next ›Next ›](/categories/network-monitoring/free?order=g2_score&page=2#product-list) Spotlight Categories [Talent Assessment Software](https://www.g2.com/categories/talent-assessment-software) [Corporate Learning Management Systems](https://www.g2.com/categories/corporate-learning-management-systems) [Purchasing Software](https://www.g2.com/categories/purchasing-software) [Enterprise Risk Management (ERM) Software](https://www.g2.com/categories/enterprise-risk-management-erm) [Performance Management Software](https://www.g2.com/categories/performance-management) Similar Categories - [AI Agent Observability](/categories/ai-agent-observability) - [Application Performance Monitoring (APM)](/categories/application-performance-monitoring-apm) - [Cloud Infrastructure Monitoring](/categories/cloud-infrastructure-monitoring) - [Database Monitoring](/categories/database-monitoring) - [Enterprise Monitoring](/categories/enterprise-monitoring) - [Hardware Monitoring](/categories/hardware-monitoring) - [Log Monitoring](/categories/log-monitoring) - [Observability Pipeline](/categories/observability-pipeline) - [Observability Software](/categories/observability-software) - [Other Monitoring](/categories/other-monitoring) - [Website Monitoring](/categories/website-monitoring) [Browse Network Monitoring Themes](/categories/network-monitoring/themes)