# Top Free Server Monitoring Software ## How Many Server Monitoring Software Products Does G2 Track? **Total Products under this Category:** 111 ### Category Stats (Jul 2026) - **Average Rating:** 4.51/5 (↑0.01 vs Jun 2026) The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** CtrlOps (+2.55%) - Among all products in this category, CtrlOps recorded the largest rating increase compared to last month _Last updated: July 21, 2026_ ## How Does G2 Rank Server Monitoring Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 5,800+ Authentic Reviews - 111+ 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. [ Datadog ](https://www.g2.com/products/datadog/reviews) By [Datadog](https://www.g2.com/sellers/datadog) [ 4.4/5(725) ](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) [ 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) [![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) [ New Relic ](https://www.g2.com/products/new-relic/reviews) By [New Relic](https://www.g2.com/sellers/new-relic) [ 4.4/5(586) ](https://www.g2.com/products/new-relic/reviews) What do users say? Users consistently praise New Relic for its real-time insights and comprehensive observability, which streamline monitoring across applications and infrastructure. The intuitive dashboards and seamles Pros and Cons [ Ease of Use (150) ](https://www.g2.com/products/new-relic/reviews?qs=pros-and-cons)[ Expensive (83) ](https://www.g2.com/products/new-relic/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) [ Checkmk ](https://www.g2.com/products/checkmk/reviews) By [Checkmk](https://www.g2.com/sellers/checkmk) [ 4.7/5(303) ](https://www.g2.com/products/checkmk/reviews) What do users say? Users consistently praise Checkmk for its flexibility and ease of use, allowing for comprehensive monitoring across various IT infrastructures. The ability to create custom checks and dashboards enhan Pros and Cons [ Ease of Use (26) ](https://www.g2.com/products/checkmk/reviews?qs=pros-and-cons)[ Learning Curve (17) ](https://www.g2.com/products/checkmk/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(857) ](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) [ IBM Instana ](https://www.g2.com/products/ibm-instana/reviews) By [IBM](https://www.g2.com/sellers/ibm) [ 4.4/5(480) ](https://www.g2.com/products/ibm-instana/reviews) What do users say? Users consistently praise IBM Instana for its real-time monitoring and automatic service discovery, which significantly reduce setup time and enhance visibility into complex environments. The tool's a Pros and Cons [ Ease of Use (126) ](https://www.g2.com/products/ibm-instana/reviews?qs=pros-and-cons)[ Expensive (43) ](https://www.g2.com/products/ibm-instana/reviews?qs=pros-and-cons) [ ManageEngine Applications... ](https://www.g2.com/products/manageengine-applications-manager/reviews) By [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704) [ 4.7/5(117) ](https://www.g2.com/products/manageengine-applications-manager/reviews) What do users say? Users consistently praise the comprehensive monitoring capabilities of ManageEngine Applications Manager, highlighting its ability to provide real-time insights into application and server performance Pros and Cons [ Monitoring (16) ](https://www.g2.com/products/manageengine-applications-manager/reviews?qs=pros-and-cons)[ Limited Features (7) ](https://www.g2.com/products/manageengine-applications-manager/reviews?qs=pros-and-cons) [ cPanel ](https://www.g2.com/products/cpanel/reviews) By [WebPros](https://www.g2.com/sellers/webpros) [ 4.4/5(209) ](https://www.g2.com/products/cpanel/reviews) What do users say? Users consistently praise cPanel for its ease of use and intuitive interface, making it accessible for both beginners and experienced users. The platform simplifies website management by consolidating Pros and Cons [ Ease of Use (31) ](https://www.g2.com/products/cpanel/reviews?qs=pros-and-cons)[ Expensive (9) ](https://www.g2.com/products/cpanel/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) [ Netdata ](https://www.g2.com/products/netdata/reviews) By [Netdata](https://www.g2.com/sellers/netdata) [ 4.6/5(54) ](https://www.g2.com/products/netdata/reviews) What do users say? Users consistently praise Netdata for its ease of use and real-time monitoring capabilities, allowing for quick setup and immediate insights into system performance. The intuitive dashboards and compr Pros and Cons [ Ease of Use (24) ](https://www.g2.com/products/netdata/reviews?qs=pros-and-cons)[ Missing Features (9) ](https://www.g2.com/products/netdata/reviews?qs=pros-and-cons) [ ServerAvatar ](https://www.g2.com/products/serveravatar/reviews) By [ServerAvatar Cloud Technologies PVT LTD.](https://www.g2.com/sellers/serveravatar-cloud-technologies-pvt-ltd) [ 4.8/5(43) ](https://www.g2.com/products/serveravatar/reviews) What do users say? Users consistently praise the excellent support provided by ServerAvatar, highlighting the team's responsiveness and willingness to assist with issues. The platform is valued for its ease of use and i Pros and Cons [ Customer Support (9) ](https://www.g2.com/products/serveravatar/reviews?qs=pros-and-cons)[ Complex Pricing (1) ](https://www.g2.com/products/serveravatar/reviews?qs=pros-and-cons) [ Last9 ](https://www.g2.com/products/last9-last9/reviews) By [Last9](https://www.g2.com/sellers/last9) [ 4.7/5(51) ](https://www.g2.com/products/last9-last9/reviews) What do users say? Users consistently praise Last9 for its reliable observability and intuitive dashboards, which simplify monitoring and debugging across systems. The platform's focus on actionable metrics and proactiv Pros and Cons [ Ease of Use (26) ](https://www.g2.com/products/last9-last9/reviews?qs=pros-and-cons)[ Difficult Learning (8) ](https://www.g2.com/products/last9-last9/reviews?qs=pros-and-cons) [ Pulseway ](https://www.g2.com/products/pulseway/reviews) By [MMSoft Design](https://www.g2.com/sellers/mmsoft-design) [ 4.6/5(123) ](https://www.g2.com/products/pulseway/reviews) What do users say? Users consistently praise the product for its ease of use and powerful automation features, which streamline IT management tasks and enhance productivity. The intuitive interface and responsive custom Pros and Cons [ Intuitive (9) ](https://www.g2.com/products/pulseway/reviews?qs=pros-and-cons)[ Limited Features (4) ](https://www.g2.com/products/pulseway/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/server-monitoring/free?order=g2_score&page=2#product-list) - [3](/categories/server-monitoring/free?order=g2_score&page=3#product-list) - [4](/categories/server-monitoring/free?order=g2_score&page=4#product-list) - [Next ›Next ›](/categories/server-monitoring/free?order=g2_score&page=2#product-list) Spotlight Categories [Mobile Marketing Software](https://www.g2.com/categories/mobile-marketing) [Digital Experience Platforms (DXP)](https://www.g2.com/categories/digital-experience-platforms-dxp) [Webinar Platforms](https://www.g2.com/categories/webinar) [Network Monitoring Software](https://www.g2.com/categories/network-monitoring) [SMS Marketing Software](https://www.g2.com/categories/sms-marketing) Similar Categories - [Infrastructure as a Service (IaaS)](/categories/infrastructure-as-a-service-iaas) - [Active Metadata Management](/categories/active-metadata-management) - [Address Verification](/categories/address-verification) - [AIOps Platforms](/categories/aiops-platforms) - [Application Server](/categories/application-server) - [Blockchain](/categories/blockchain) - [Cloud File Storage](/categories/cloud-file-storage) - [Database Software](/categories/database-software) - [Data Center Infrastructure Management (DCIM)](/categories/data-center-infrastructure-management-dcim) - [Data Center Networking](/categories/data-center-networking) - [Data Exchange Platforms](/categories/data-exchange-platforms) - [Data Fabric](/categories/data-fabric) - [Data Integration Tools](/categories/data-integration-tools) - [Data Management Software](/categories/data-management-software) - [Data Mapping](/categories/data-mapping) [Browse Server Monitoring Themes](/categories/server-monitoring/themes)