# Top Free Hardware Monitoring Software - Page 2 ## How Many Hardware Monitoring Software Products Does G2 Track? **Total Products under this Category:** 37 ### Category Stats (Aug 2026) - **Average Rating:** 4.47/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** ManageEngine Applications Manager (+0.17%) - Among all products in this category, ManageEngine Applications Manager recorded the largest rating increase compared to last month _Last updated: August 07, 2026_ ## How Does G2 Rank Hardware Monitoring Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 3,100+ Authentic Reviews - 37+ 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. ## G2 Grid® for Hardware Monitoring Software ![G2 Grid® for Hardware Monitoring Software plotting products by satisfaction and market presence](https://www.g2.com/categories/hardware-monitoring/grids.png?focus%5B%5D=10874&focus%5B%5D=79227&focus%5B%5D=1182874&focus%5B%5D=17856&focus%5B%5D=27540&focus%5B%5D=2965&focus%5B%5D=42028&focus%5B%5D=5819) Highlighted products: Paessler PRTG, Checkmk, SolarWinds Observability, ManageEngine Applications Manager, IBM Instana, Splunk Enterprise, Centreon Infra Monitoring, and Zabbix. Underlying data: [Grid® JSON](https://www.g2.com/categories/hardware-monitoring/grids.json?focus%5B%5D=paessler-prtg&focus%5B%5D=checkmk&focus%5B%5D=solarwinds-worldwide-llc-solarwinds-observability&focus%5B%5D=manageengine-applications-manager&focus%5B%5D=ibm-instana&focus%5B%5D=splunk-enterprise&focus%5B%5D=centreon-infra-monitoring&focus%5B%5D=zabbix) **Sponsored** ### Paessler PRTG Your infrastructure is complex. Your monitoring tool shouldn't be. Paessler PRTG delivers mission-critical visibility across IT and OT environments, deploying in minutes, not months. Whether you're managing servers, switches, virtual machines, cloud services, or industrial systems, PRTG monitors everything from a single platform, so your team always knows what's running, what's struggling, and what needs attention, before users do. Fast to deploy. Easy to run. Auto-discovery finds devices on your network automatically, and 300+ pre-configured sensors cover the most common infrastructure components out of the box. Support for all major protocols (SNMP, WMI, REST APIs, SSH, NetFlow, and more) means PRTG fits into your existing environment without forcing changes to it. Built for lean teams under real pressure. Customizable dashboards give instant visibility across your entire landscape. Flexible alerting (via email, SMS, push notification, or third-party integrations) ensures the right people are notified the moment something goes wrong. Historical trend data helps you spot patterns and plan ahead, not just react. Scales on your terms. From a single site to distributed multi-location environments, PRTG grows with your organization. Available as an on-premises installation or a hosted solution, it adapts to your infrastructure and your IT policies, no rip-and-replace required. Trusted by more than 500,000 users across 190+ countries since 1997, Paessler PRTG is the monitoring standard for IT professionals who need results, not complexity. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=2110&secure%5Bchosen_at%5D=2026-08-11T22%3A51%3A38Z&secure%5Bdisplayable_resource_id%5D=2110&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=2110&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=10874&secure%5Bresource_id%5D=2110&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fhardware-monitoring%2Ffree%3Fpage%3D2&secure%5Btoken%5D=c37b053e359c848bfd7ab1534a08053038f16291c0eb742caa5fbac8a76bfafd&secure%5Burl%5D=https%3A%2F%2Fwww.paessler.com%2Flp%2Fhardware-monitoring-tool%3Futm_medium%3Daffiliate%26utm_source%3Dg2%26utm_campaign%3Dg2-ppc-hardware-monitoring&secure%5Burl_type%5D=custom_url) ### [Macfax](https://www.g2.com/products/macfax/reviews) Macfax issues hardware-bound verification reports for Macs. Each report binds identity, specs, and condition data to a specific device using a key the Secure Enclave protects, so verification cannot be cloned, edited, or transferred to another Mac. Reports are public URLs that anyone can read, with no accounts, no logins, and no expiration. Macfax doesn't list Macs for sale, hold money, or take a cut of any transaction, so the verification stays independent from the deal. Used by refurbishers, marketplaces, fleet operators, and individual sellers to prove what a Mac actually is before money changes hands. #### Who Is the Company Behind Macfax? - **Seller:** [Macfax](https://www.g2.com/sellers/macfax) - **HQ Location:** N/A - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c340f981cffe9d5750eb673d9835c6e3088ed0d1b832c163c245fc32b024d3c4&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F117164261&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® ### [Rakuten SixthSense Observability](https://www.g2.com/products/rakuten-sixthsense-observability/reviews) In today's digital landscape, businesses need a powerful and comprehensive Application Performance Monitoring (APM) solution to stay ahead of the curve. Introducing Rakuten SixthSense Observability - a next-generation APM tool that transforms the way you monitor, analyze, and optimize your applications and infrastructure. With its robust suite of features and advanced analytics, Rakuten SixthSense Observability empowers you to proactively identify and resolve issues, streamline operations, and enhance customer experiences. Key Capabilities: • Comprehensive Monitoring and Alerting: Rakuten SixthSense Observability offers end-to-end monitoring of your applications, infrastructure, and network performance. With real-time alerting and customizable dashboards, you can quickly detect issues and gain actionable insights into the health and performance of your systems. • Distributed Tracing and Correlation: Gain full visibility into your application's performance with distributed tracing, which tracks transactions and requests across multiple services and components. This feature helps you identify bottlenecks, latency issues, and errors, making it easier to optimize your application and enhance customer experiences. • Anomaly Detection and Machine Learning: Leverage Rakuten SixthSense's advanced machine learning capabilities to automatically identify unusual patterns and deviations in application performance and resource utilization. This proactive approach enables you to detect and resolve issues before they impact your business and customers. • Advanced Analytics and Visualization: Rakuten SixthSense's rich data visualization and analytics tools allow you to dive deep into your application performance data. Generate custom reports, analyze trends, and uncover hidden patterns that can drive continuous improvement and optimization. • Log Management and Integration: Effortlessly collect, analyze, and store logs from various sources with Rakuten SixthSense's integrated log management feature. This seamless integration enables you to correlate log data with performance metrics and traces, providing a comprehensive understanding of your application's behaviour. • Scalability and Flexibility: Rakuten SixthSense Observability is built to scale with your growing business needs, supporting a wide range of applications, services, and infrastructure. Its flexible architecture allows you to customize the tool to your specific requirements and integrate it with other monitoring and observability solutions. Current Feature set: • Application Performance Monitoring: Full stack visibility across Java, PHP, Node.js, Python, Go and a lot more! Key Features include, Distributed Tracing, Profiling, Database Monitoring • Infrastructure Monitoring: Get a birds-eye view of your infrastructure health and gain granular insights with easy deployment Key Features include Kubernetes, VMs, Web Servers, Cloud Integrations • Digital Experience Monitoring: Improve the end-user experience of your applications mapped with contextual information of application performance metrics • Browser Monitoring: Metrics to optimize end users’ experience and help in improving application performance. • Mobile Monitoring: Monitor crashes, performance & usage metrics for your mobile applications • Synthetic Monitoring: Stimulate end-user transactions using low code, no code test scripts • VM Monitoring: VM monitoring capability lets you view your infrastructure performance and health of servers, virtual machines, containers, databases etc. at a glance. • SixthSense Cognitive Engine: Modern observability and the proactive approach using artificial intelligence. The application uses different AI/ML algorithms that can predict performance metrics with an accuracy of up to 98% and a confidence level of 90%. **Average Rating:** 4.6/5.0 **Total Reviews:** 52 #### How Do G2 Users Rate Rakuten SixthSense Observability? - **Ease of Use:** 9.3/10 (Category avg: 9.0/10) - **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 9.0/10) #### Who Is the Company Behind Rakuten SixthSense Observability? - **Seller:** [Rakuten SixthSense](https://www.g2.com/sellers/rakuten-sixthsense-f1af4c23-8be7-4bf4-a775-a4d50eebce5d) - **Year Founded:** 2016 - **HQ Location:** Bengaluru, IN - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=56b248cb58d0ee9d638f70976e5e005d45b5ce20f9d29e7f666aae203e30aa49&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Frakuten-sixthsense%2F&secure%5Burl_type%5D=linkedin_company_website) 5 employees on LinkedIn® - **Ownership:** TYO: 4755 #### Who Uses This Product? - **Who Uses This:** Senior Software Engineer - **Top Industries:** Information Technology and Services, Computer Games - **Company Size:** 47% Large, 38% Medium #### What Do G2 Reviewers Say About Rakuten SixthSense Observability? _AI-generated summary from verified user reviews_ ##### Pros - Users value the **deep visibility** into application performance provided by Rakuten SixthSense, enhancing proactive anomaly detection and decision-making. - Users appreciate the **efficient alerting system** , enabling quick transitions from alerts to code resolution in one dashboard. - Users value the **excellent customer support** of Rakuten SixthSense, enhancing their experience with the platform. - Users appreciate the **ease of use** of Rakuten SixthSense Observability, simplifying troubleshooting with an intuitive interface. - Users appreciate the **easy implementation** of Rakuten SixthSense Observability, making monitoring and debugging straightforward and efficient. ##### Cons - Users find the **complex setup** challenging, requiring significant onboarding effort despite responsive support for customization. - Users find the **poor documentation** of Rakuten SixthSense Observability lacking, hindering effective use and onboarding. - Users report **false positive alerts** and desire enhanced functionality for timely error record displays and notifications. - Users note the **inefficient alert system** , citing frequent false positives and lacking desired dashboard reporting features. - Users feel that **documentation needs improvement** to enhance the overall usability and user experience of the tool. #### What Are Recent G2 Reviews of Rakuten SixthSense Observability? **["A very good SAAS monitoring & observability tool"](https://www.g2.com/survey_responses/rakuten-sixthsense-observability-review-11287792)** **Rating:** 5.0/5.0 stars _— Verified User in Computer Games_ [Read full review](https://www.g2.com/survey_responses/rakuten-sixthsense-observability-review-11287792) **["Great monitoring tool!"](https://www.g2.com/survey_responses/rakuten-sixthsense-observability-review-8230168)** **Rating:** 5.0/5.0 stars _— Verified User in Information Technology and Services_ [Read full review](https://www.g2.com/survey_responses/rakuten-sixthsense-observability-review-8230168) ### [Stellar Drive Monitor](https://www.g2.com/products/stellar-drive-monitor/reviews) Stellar Drive Monitor is an advanced drive health monitoring tool to check the real-time hard disk’s temperature, performance, and health. It detects and alerts the user about any anomaly on the hard drive and also has cloning option to create a replica of hard disk for data safety. - Diagnose issues in any PATA/SATA disk, USB hard drive, and SSD - Simple UI with easy-to-use functionalities - Provides real-time data on drive fitness - Compatible with Windows 11, 10, 8.1, 8, and 7 #### Who Is the Company Behind Stellar Drive Monitor? - **Seller:** [Stellar Data Recovery Inc.](https://www.g2.com/sellers/stellar-data-recovery-inc-26139858-0917-41ff-b105-400e8b7940b9) - **Year Founded:** 1993 - **HQ Location:** Gurgaon, Haryana - **Twitter:** @stellarinfo 1,695 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=cfd44d867ff94726ef9ce915899f5c25f5f5ade0c093afe8edac80c24a2c1d9e&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F224974%2F&secure%5Burl_type%5D=linkedin_company_website) 604 employees on LinkedIn® - [‹ Prev‹ Prev](/categories/hardware-monitoring/free?order=g2_score#product-list) - [1](/categories/hardware-monitoring/free?order=g2_score#product-list) - 2 - Next ›Next › Spotlight Categories [Survey Software](https://www.g2.com/categories/survey) [Sales Engagement Software](https://www.g2.com/categories/sales-engagement) [Virtual Data Room Software](https://www.g2.com/categories/virtual-data-room-vdr) [Cloud Content Collaboration Software](https://www.g2.com/categories/cloud-content-collaboration) [Expense Management Software](https://www.g2.com/categories/expense-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) - [Log Monitoring](/categories/log-monitoring) - [Network Monitoring](/categories/network-monitoring) - [Observability Pipeline](/categories/observability-pipeline) - [Observability Software](/categories/observability-software) - [Other Monitoring](/categories/other-monitoring) - [Website Monitoring](/categories/website-monitoring) [Browse Hardware Monitoring Themes](/categories/hardware-monitoring/themes)