11 Best Nagios Alternatives (Free & Paid) in 2023
Lawrence Williams
Nagios is an open source network monitoring solution. It helps organizations to identify and resolve IT infrastructure issues. However, Nagios could be difficult integrate into automatic provisioning processes. There are few other issues with Nagios as well.
Here, is a curated list of top tools that can replace Nagios. This list consists of paid as well as open-source Network Monitoring Tool with popular features and latest download link.
Nagios Alternatives (Open Source & Paid)
| Name | Deployment | Free Trial | Link |
|---|---|---|---|
| 👍 Auvik | Cloud-based | 14-Day Free Trial | Learn More |
| 👍 ManageEngine OpManager | On-premise | 30-Day Free Trial | Learn More |
| 👍 Site24x7’s Network Monitoring | Cloud-based | 30-Day Free Trial | Learn More |
| Paessler PRTG | On-premises or cloud-based | 30-Day Free Trial | Learn More |
| Network Bandwidth Analyzer | Cloud-based | 30-Day Free Trial | Learn More |
1) Auvik
Auvik’s cloud-based network monitoring software lets IT professionals experience the fastest way to manage all distributed networks and devices. It is one of the best Nagio alternatives that can automate routine tasks and resolve critical technology issues proactively.
This tool delivers out-of-the-box real-time discovery and intuitive network visualization. It also has automated backups, detailed device monitoring, and deep traffic flow inspection.
Supported Platform: Web-based
Business Size: Small to large businesses.
Deployment: Cloud-based
Free Trial: 14-Days Free Trial
Features:
- Visualization: You can visualize everything on a single dashboard to see what you have to prioritize.
- Alerts: It offers one of the best alerting features with automatic alerts whenever any unusual activity occurs so you can tackle it before it escalates.
- Troubleshooting: You can get to the bottom of the problem with Auvik using its centralized syslog for all the network devices.
- Backup: This tool offers backup for every change you make. You can also view and restore all the versions as per your requirements.
- Other features: Auvik offers IT asset management, network visibility and mapping, and performance monitoring. It also provides network traffic analysis and remote network management.
- Pricing: You can request a custom quote or calculate the price with its estimator as per your needs.
- Free trial: 14 days free trial (Credit card not required)
Pros
Cons
14-Day Free Trial
2) ManageEngine OpManager
OpManager is an integrated network management solution for efficient and hassle-free network monitoring that provides network performance monitoring.
It watches over your server, VM, WLC, storage, and more. With OpManager, IT admins can easily drill down to the root cause of the network problem and fix it instantly.
Supported Platform: Windows,Linux, iOS, and Android
Business Size: Small to large businesses.
Deployment: On-premise
Free Trial: 30-Days Free Trial
Features:
- Monitoring: ManageEngine OpManager has physical server monitoring and virtual server monitoring of the host and VMS of VMware. It also monitors Hyper-v, Nutanix, and Citrix XenServer virtualization platforms.
- Reports: OpManager offers scheduled and custom reports for network performance and business snapshot-based reports.
- Network visualization: This tool provides network visualization, network mapping, planning, path analysis, network discovery tools, topology software, and more.
- Other features: ManageEngine OpManager offers device discovery, grouping network elements, and bulk configuration options. It comes with real-time network monitoring solutions and out-of-the-box support for different network devices, dashboards, and widgets.
- Pricing: You can contact its sales team for a quote.
- Free trial: 30-day free trial
Pros
Cons
30-Day Free Trial
3) Site24x7’s Network Monitoring
Site24x7 is a holistic solution that provides insightful monitoring for enterprise networks, servers, websites, applications, and the cloud. It offers seamless integration with Slack, Microsoft Teams, Jira, and more.
Instead of having to piece together multiple solutions for your different monitoring needs, you can rely solely on Site24x7. It helps cut down silos and provides full-stack monitoring capability.
Supported Platform: Windows,Linux, iOS, and Android
Business Size: Small to large businesses.
Deployment: Cloud-based
Free Trial: 30-Days Free Trial
Features:
- Auto-discovery: It can automatically discover devices that are present in a provided IP range. You get a granular visibility of the devices along with their interface levels.
- Monitoring: This tool monitors network availability, performance, traffic (NetFlow), and cloud-managed devices (Cisco Meraki). It can also manage device configurations (NCM) from the same console.
- Topology and Maps: This provider has topology and Layer-2 maps to help you visualize your network according to geography or hierarchy.
- Other features: Site24x7 includes out-of-the-box support for more than 11,000 device models from over 450 vendors. It provides instant forecasts, intelligent reports, and alerts via SMS, email, and more.
- Pricing: This software package starts at $9 per month and is billed annually.
- Free trial: 30-day free trial
Pros
Cons
30-Day Free Trial
4) Paessler PRTG
PRTG Network Monitor software has advanced infrastructure management capabilities. The tool monitors IT infrastructure with its technologies like sniffing, REST APIS, SQL, and others.
You can easily integrate this tool with flow protocols like jFlow, sFlow, IPFIX, and more. It supports SSH, HTTP requests, SNMP, WMI, and more.
Features:
- Monitoring: PRTG monitors all systems, traffic, apps, LANs, servers, WANs, websites and more.
- Automatic discovery: It is capable of automatically discovering the networks. This tool can intelligently discover all devices and auto-create a suitable set of sensors.
- Network scanning: PRTG Network Monitor can scan network segments by pinging defined IP ranges.
- Alerts: It has an easy and flexible alerting system. PRTG alerts you when it sees warnings or unusual metrics in your network.
- Other features: It offers maps and dashboards, customizable reporting, distributed monitoring, and more.
Pros
Cons
30-Day Free Trial
5) Network Bandwidth Analyzer
Network Bandwidth Analyzer is a tool that helps you monitor the overall performance of your network. It helps you track response time, availability, switches, and more.
This platform can detect, diagnose, and fix network issues. You can enrich bandwidth analysis using observation across the network, database, apps, and infrastructure for the hybrid IT.
Features:
- Monitoring: You can use it to easily monitor bandwidth consumption. It lets you see the changes along the path and find service provider issues. This application can monitor the faults of your network.
- Performance metrics: Network Bandwidth Analyzer allows you to drag and drop performance metrics on a timeline
- Critical path visualization: Using a bandwidth analyzer, you can monitor critical business services. It also provides visual analysis for a device with a delivery path.
- Other features: This tool monitors the logical component of the SDN (Software Defined Networking) environment. It offers dynamic, intelligent maps, app traffic alerting, multi-vendor network monitoring, and more.
- Pricing: You can request the sales team for a quote.
- Free trial: 30-day free trial
Pros
Cons
30-Day Free Trial
6) Shinken
Shinken is a monitoring framework. This Nagios alternative offers full virtualization integration, endless scalability, and RAID-like availability.
You can use it to load data from new sources like Puppet and Mysql and add new export methods like Graphite.
Features:
- Auto-configuration: It helps you discover and configure all the elements within a few clicks by reading data sources. Shinken offers quick server and application monitoring and allows you to reuse the Nagios configuration.
- Problem detection: This tool has an awareness of dependency links that helps it locate the root cause of the issue and send accurate alerts.
- Visualization of data: It offers custom dashboards to visualize the data. Shinken has a full web interface that simplifies configurations and collaborations.
- Other features: This tool has high adaptability and scalability, a user-friendly integrated interface, distributed architecture, and more.
- Pricing: Request the sales for a quote
- Free trial: 30 days free trial
Pros
Cons
Download link: http://www.shinken-monitoring.org/
7) Spiceworks
Spiceworks is an easy-to-use networking monitoring tool that offers real-time status and alerts for your critical devices.
Its additional benefit is that, it is completely integrated into the Spiceworks IT management tool suite.
Features:
- Monitoring: It offers a connectivity dashboard that is easy to use and lets you start monitoring within minutes. You receive statuses in real time and alerts for critical web apps and services.
- Alerts: It lets you adjust alert thresholds for in-app notifications or emails.
- Insights: Spiceworks provides quick insights and spots slow, sluggish, or overwhelmed systems. Using this capability, you can fix issues in real time before they expand.
- Other features: Spiceworks offers distributed HTTP checks, a dynamic dashboard, free support, and a helpful technical community.
- Pricing: It is free to download.
Pros
Cons
Download link: https://www.spiceworks.com/free-network-monitoring-management-software/
8) Zabbix
Zabbix is an open-source monitoring tool. This network monitoring tool focuses on managing and trending functionality.
It is widely used for monitoring servers and network hardware. Zabbix is one of the best open-source Nagios alternatives that can forecast future behavior based on historical data.
Features:
- Distributed monitoring: You can easily deploy and scale your distributed Zabbix infrastructure from central Web UI. It offers native encryption between all the components for this function.
- Unlimited scaling: Zabbix is a flexible software that lets you monitor anything you want. It is highly scalable as it helps you manage both multi-tenant enterprise environments and your home.
- High availability: This platform ensures 24/7 uptime and removes all the risk of data loss. It also keeps all your sensitive information secure by storing it only in the external vault.
- Other features: It offers easy measurement of network performance and health and flexible and extendable data gathering. You also get various metric collection methods and protocols and easy configuration.
- Pricing: It is free to download.
Pros
Cons
Download link: https://www.zabbix.com/
9) NetCrunch
NetCrunch Network monitors your network infrastructure and traffic with the help of features like switch traffic monitoring and flow analyzer.
You can use it for monitoring without needing additional database servers or web server licenses.
Features:
- Monitoring: It comes with monitoring packs for various SNMP devices. NetCruch can seamlessly scale up to 10,000 devices. It includes monitoring for operating systems, sensors, network service checkers, scripts, and more.
- Central logic processing: Once it gathers all the data, it processes them to determine alerting conditions, checks thresholds, applies the monitoring policies, and then sends notifications.
- Traffic flow analyzer: It lets you monitor traffic patterns and network bandwidth, recognize the IP addresses of top talkers, and more.
- Other features: NetCrunch offers policy-based configuration, SNMP traps and notifications, and Full SNMPV3 support. It can also monitor custom network services and the cloud.
- Pricing: Its starting price is $90 per month for 100 nodes and 100 interfaces. This is billed annually and is a flexible pricing plan.
- Free trial: 30-day free trial
Pros
Cons
Download link: https://www.adremsoft.com/
10) Icinga
Icinga is an open-source app and a service monitoring tool. Icinga can report on the health of your IT environment. All alert dependencies are shown in the dashboard and sent via email, SMS, or mobile messaging apps.
It has six core strengths that cover all the areas of monitoring. Icinga is capable of easily integrating your system and automating your tasks.
Features:
- Monitoring automation: Icinga can manage large amounts of monitoring objects. It can synchronize third-party data, has a versionized configuration, and more.
- Analytics: This tool effortlessly discovers relations and patterns. You can create reports with the existing data from several aspects and receive dedicated insights with its filtration capability.
- Notifications: It sends alerts in the first stage of the issue and keeps you in a loop. You can also establish rule-based alerting, easily contact the team, and assign them to manage selective environments and more.
- Other features: Icinga offers configuration and templates, metrics and logs, infrastructure monitoring, and cloud monitoring.
- Pricing: Contact sales for the quote. It includes a free-to-download version.
- Free trial: It offers a demo.
Pros
Cons
Download link: https://www.icinga.com/
11) OP5 Monitor
OP5 Monitor is a software for network and server monitoring and management based on the open-source project Nagios. The OP5 Monitor displays the status, health, and performance of the IT network.
It can gather data regardless of your technology stack across hybrid environments.
Features:
- Full immediate visibility: OP5 Monitor provides an entire view of your IT infrastructure via a single pane of glass.
- Performance reporting: It offers service-level reports for service monitoring, network monitoring, and server monitoring.
- Monitoring: OP5 Monitoring provides SNMP monitoring and API monitoring. It is highly customizable and offers unparalleled scalability across distributed environments.
- Other features: This tool offers log server monitoring with fully customizable and interactive dashboards. OP5 can also read, process, and generate alerts from SNMP traps and includes automatic self-healing capability.
- Pricing: Starting price costs $135 per month
- Free trial: It has a free version, and you can book a demo
Pros
Cons
Download link: https://www.itrsgroup.com/products/op5-monitor
FAQs:
Nagios Alternatives (Open Source & Paid)
| Name | Deployment | Free Trial | Link |
|---|---|---|---|
| 👍 Auvik | Cloud-based | 14-Day Free Trial | Learn More |
| 👍 ManageEngine OpManager | On-premise | 30-Day Free Trial | Learn More |
| 👍 Site24x7’s Network Monitoring | Cloud-based | 30-Day Free Trial | Learn More |
| Paessler PRTG | On-premises or cloud-based | 30-Day Free Trial | Learn More |
| Network Bandwidth Analyzer | Cloud-based | 30-Day Free Trial | Learn More |