--- title: OpenNMS Platform Reviews meta_title: 'OpenNMS Platform Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 11 reviews by the users' company size, role or industry to find out how OpenNMS Platform works for a business like yours. aggregate_rating: rating_value: 4.1 review_count: 11 scale: '5' date_modified: '2026-06-14' parent_category: name: Monitoring url: https://www.g2.com/categories/monitoring --- # OpenNMS Platform Reviews **Vendor:** OpenNMS **Category:** [Network Monitoring Software](https://www.g2.com/categories/network-monitoring) **Average Rating:** 4.1/5.0 **Total Reviews:** 11 ## About OpenNMS Platform OpenNMS provides a highly reliable, scalable and comprehensive fault, performance and traffic monitoring solution that easily integrates with business applications and workflows to monitor and visualize everything in a network. The OpenNMS platform monitors some of the largest networks in existence, covering the healthcare, technology, finance, government, education, retail and industrial sectors, many with tens of thousands of networked devices. OpenNMS users include five of the top twenty companies on the Fortune 100, as well as multiple large and multi-state health providers and one of the largest electronic medical record providers in the United States. ## OpenNMS Platform Reviews ### 1. I used Open NMS in my previous organization **Rating:** 3.0/5.0 stars **Reviewed by:** Talha K. | Associate Manager Global Solutions, Small-Business (50 or fewer emp.) **Reviewed Date:** September 05, 2023 **What do you like best about OpenNMS Platform?** Open NMS is highly recomended because of its adaption phase, we can genrate many useful report on it without deep knowledge. **What do you dislike about OpenNMS Platform?** sometime it will quite difficuit to manage many nodes and its working in open NMS **What problems is OpenNMS Platform solving and how is that benefiting you?** we can easly plot our exsisting nodes in open NMS to check all note are up and running ### 2. Great platform for network monitoring. **Rating:** 4.5/5.0 stars **Reviewed by:** Bhaskar T. | Freelancer & Trainer, Small-Business (50 or fewer emp.) **Reviewed Date:** November 18, 2020 **What do you like best about OpenNMS Platform?** It has a very good UI. With what I worked, alarms , polling were very well implemented. It has very vast functionality. **What do you dislike about OpenNMS Platform?** Eclipse integration wasn't made easy. Without IDE , its very tough to navigate through code base. However, I tried to import it in Eclipse, but failed with so many errors in hand. And I had to use it without IDE. **What problems is OpenNMS Platform solving and how is that benefiting you?** We were using it for showing packet data, polling , alarms, charting etc. It was the front end . ### 3. Used Opennms during HA testing of critical resources **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Electrical/Electronic Manufacturing | Small-Business (50 or fewer emp.) **Reviewed Date:** October 20, 2020 **What do you like best about OpenNMS Platform?** There is a lot of helpful documentation. So, it's most likely to find answers to the questions we have during the customization of the OpenNMS system for the first time. **What do you dislike about OpenNMS Platform?** There is a steep learning curve to use opennms. At times, we get overwhelmed with all the features. The XML configuration files are a bit too much at times. **Recommendations to others considering OpenNMS Platform:** Prepare the requirements well before. Opennms is really useful when you know most of the requirements before. **What problems is OpenNMS Platform solving and how is that benefiting you?** Its a open source. So, we used it to test the devices that are not posting for the last 24 hours. As we need to report on these devices. Its advantage is, it comes with a rich UI. I personally liked to notification system. ### 4. Best and easily configurable tool **Rating:** 4.5/5.0 stars **Reviewed by:** Gimmy J. | Information Communication Technology Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** October 15, 2020 **What do you like best about OpenNMS Platform?** It's very easy to configure. Onboarding a server is pretty much easy. Just give IP address/Hostname and provision. That's it. **What do you dislike about OpenNMS Platform?** UI can be more realistic and colorful like Ops-Genie. **Recommendations to others considering OpenNMS Platform:** Nothing. **What problems is OpenNMS Platform solving and how is that benefiting you?** Monitoring of different servers and switches. Getting alerts and usage in meaningful graphs. ### 5. OpenNMS Solution Teview **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Hospital & Health Care | Enterprise (> 1000 emp.) **Reviewed Date:** October 23, 2020 **What do you like best about OpenNMS Platform?** It supports all the device models unlike cisco products **What do you dislike about OpenNMS Platform?** We need to compile and set everything manually ... nothing comes as predefined **What problems is OpenNMS Platform solving and how is that benefiting you?** Vendor neutral is the major benefit... use friendly and couple of code related issues and bugs I am working with OpenNMS ### 6. Professional platform **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Mid-Market (51-1000 emp.) **Reviewed Date:** October 25, 2020 **What do you like best about OpenNMS Platform?** It is open source resources, that easily permit to resolve all the appeared issues by yourself. **What do you dislike about OpenNMS Platform?** Sometimes is difficult to acquire a full coverage of desired infra. **Recommendations to others considering OpenNMS Platform:** Network infrastructure monitoring **What problems is OpenNMS Platform solving and how is that benefiting you?** Infrastructure monitoring. It helps to find the critical points. ### 7. So strong, so simply **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Semiconductors | Enterprise (> 1000 emp.) **Reviewed Date:** November 03, 2019 **What do you like best about OpenNMS Platform?** The usage of powerful SNMP protocol, often no so appreciated, gives an amazing way to monitor and collecting data and alerts from different kind of devices. ONMS helps enterprise architecture to have all in control. **What do you dislike about OpenNMS Platform?** Some configurations can be a bit hard and not intuitive for who in new inONMS usage. The UI can be re-arranged in a more modern way. **What problems is OpenNMS Platform solving and how is that benefiting you?** Fortunately problems are not so much, but the UI is the one that I’ll change. Often some devices are not so intuitive via SNMP and users can have difficulty to monitoring them as is simple to collect a Linux box. Forecasting resources by analyzing collected data, is one of the benefits, but cold be improved. ### 8. Used it for network monitoring in a VRRP setup **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer Networking | Mid-Market (51-1000 emp.) **Reviewed Date:** October 28, 2019 **What do you like best about OpenNMS Platform?** It allows you to add numerous devices, wide range of monitoring services and date analytics features. **What do you dislike about OpenNMS Platform?** Delayed alerts, not so gOod UI & limited development community. **What problems is OpenNMS Platform solving and how is that benefiting you?** It helped to identify issues in the network effectively. Traffic & date monitoring services are invaluable. ### 9. User freindly and lote of features to use **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** October 31, 2019 **What do you like best about OpenNMS Platform?** Lot of features like performance management,path outage,discovery,dashboards **What do you dislike about OpenNMS Platform?** Delay in alerting system, interface limitation,limited resources for development, here nagios will come in rescue **Recommendations to others considering OpenNMS Platform:** Go for it **What problems is OpenNMS Platform solving and how is that benefiting you?** Network discovery,trend analysis, performance ### 10. It's a nice product to monitor networking products. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Telecommunications | Mid-Market (51-1000 emp.) **Reviewed Date:** October 29, 2019 **What do you like best about OpenNMS Platform?** Monitoring platform to monitor networking products **What do you dislike about OpenNMS Platform?** Nothing to be honest..all good ..its worth product **What problems is OpenNMS Platform solving and how is that benefiting you?** Network device monitoring ### 11. Powerful yet difficult **Rating:** 3.5/5.0 stars **Reviewed by:** Ken P. | EPi4 Platform Specialist, Music, Small-Business (50 or fewer emp.) **Reviewed Date:** July 21, 2018 **What do you like best about OpenNMS Platform?** Very powerful open-source monitoring solution; relatively easy set up, clear dashboard. **What do you dislike about OpenNMS Platform?** Would not run when Tomcat was already running; had to start prior to starting Tomcat. Setting up JMX monitoring proved difficult. Current documentation (for Windows) lacking. **Recommendations to others considering OpenNMS Platform:** Considering its open-source status and fairly easy setup, I would recommend trying OpenNMS when looking for monitoring solutions. **What problems is OpenNMS Platform solving and how is that benefiting you?** Monitoring internal servers, instances of Tomcat, and web applications. - [View OpenNMS Platform pricing details and edition comparison](https://www.g2.com/products/opennms-platform/reviews?section=pricing&secure%5Bexpires_at%5D=2026-07-01+00%3A36%3A57+-0500&secure%5Bsession_id%5D=a7e9579d-a040-433d-8213-daba182873fe&secure%5Btoken%5D=e6e57a9cf8c024b7cf5ab65adc6528e9048d727e4a8ebe0f8354033408f741a3&format=llm_user) ## OpenNMS Platform Features **Functionality** - Performance Monitoring - Alerting - Improvement Suggestions - Multi-Network Capability **Monitoring - Network Monitoring** - 360-Degree Network Visibility - Automated Network Discovery - Real-Time Monitoring **Management** - Performance Baseline - Data Visualization - Path Analysis **Analytics - Network Monitoring** - Predictive Performance Analytics - Packet & Flow Analysis **Security - Network Monitoring** - Encrypted Data Transmission - Zero Trust and Identity Management - Integrated Network Security **Network Performance - Network Monitoring** - Dynamic Network Optimization - Automated Tasks Routing **AI Automation - Network Monitoring** - Machine Learning-Based Anomaly Detection - Self-Healing Networks - Predictive Network Maintenance **Agentic AI - Network Monitoring** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration - Adaptive Learning - Natural Language Interaction - Proactive Assistance - Decision Making ## Top OpenNMS Platform Alternatives - [Checkmk](https://www.g2.com/products/checkmk/reviews) - 4.7/5.0 (291 reviews) - [Zabbix](https://www.g2.com/products/zabbix/reviews) - 4.4/5.0 (204 reviews) - [Dynatrace](https://www.g2.com/products/dynatrace/reviews) - 4.5/5.0 (1,231 reviews)