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Open Source Server Management Software (2026)

Last updated: February 2026

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13 software options

Site24x7 logo
Category Leaders

All-in-one performance monitoring tool for DevOps and IT

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Open Source
Get Started with a 30-day free trial. No Credit Card required. Pricing options are available in Yearly, Monthly and Hourly models. STARTER Best suited for small teams. $9/mo PRO Best suited for medium sized teams. $35/mo ENTERPRISE Best suited for enterprises. $225/mo

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New Relic logo
Category Leaders

Performance testing and monitoring

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Open Source
Sign up for free access with our perpetual free tier and 100 GB/month of data ingest included.

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Zabbix logo
Category Leaders

Open source software for IT infrastructure components

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Open Source
Zabbix Cloud is offered across seven pricing plans, starting at $50/month. A 30 free trial is also available. Please contact Zabbix for detaild pricing information.

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Sentry logo

Track exceptions with modern error logging

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Open Source
Sentry offers the following pricing plans: Developer: Free Team: $26/month billed annually Business: $80/month billed annually Enterprise: Contact Functional Software for pricing details

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Nagios XI logo

Enterprise Infrastructure Monitoring & Alerting Platform

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Open Source
Nagios XI's plans are primarily based on the Node-count of the license. A Node is anything with an IP address or Fully Qualified Domain Name (FQDN) that you would like to monitor (switches, routers, firewalls, workstations, and other network devices). There are no restrictions on the number of Services you can monitor. While paid licenses of Nagios XI do not contain any software-imposed limitations, we have found that systems performing more than 15,000-20,000 checks in a 5-minute interval should consider following our Server Considerations Guide to ensure the best performance on your installation. Nagios XI also offers an Enterprise add-on which enhances the software's capabilities. This addition allows users to schedule reports, project future values with capacity planning, and much more. Refer to our Enterprise documentation or contact a Nagios sales representative to learn more about the capabilities of the Enterprise-level license. With the purchase of a Nagios XI license, you receive access to Premium Features as part of your Maintenance & Support benefits for the first year. After the first year, renewal of your Maintenance & Support plan is required to maintain this feature set. This includes features such as Single-Sign On (SSO) via MS Azure AD, the Nagios Mod-Gearman user interface, and a collection of premium wizards! To learn more and see the full list of features, you can visit our article on Premium Features or contact Nagios sales.

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ownCloud logo

Open source enterprise file sharing & collaboration platform

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Open Source
ownCloud Community Edition is available for free as an Open Source software. ownCloud Standard subscription starts at €2,33 per month per user for 500 users. ownCloud Enterprise subscription starts at €5,66 per month per user for 500 users. Custom subscriptions are also available.

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Checkmk logo

Infrastructure & application monitoring software

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Open Source
Choose between five Editions aimed at monitoring any kind of cloud and IT infrastructure. Fine-tune your investment to your scale and support requirements. IT monitoring has never been more flexible.

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Puppet Enterprise logo

IT management tool for automating multi-cloud infrastructure

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Open Source
Please contact Puppet directly for pricing information.

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Backupify logo

Protect your business with backup.

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Open Source
Backupify for Google Apps Professional: $3/month/user Enterprise: $4/month/user Enterprise+: $900/month/domain Backupify for Salesforce Basic: $199/month/user Professional: $499/month/user Enterprise: $799/month/domain Backupify for Personal Apps MyCloud Personal: Free MyCloud100: $4.99 / month MyCloud500: $19.99 / month

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NMIS logo

Network management software for handling fault analysis

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Open Source
Please contact Opmantek directly for pricing information.

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OpenNMS logo

Open source network management application

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Open Source
OpenNMS is available for free and on a subscription basis. Please contact The OpenNMS Group for pricing details.

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Univention Corporate Server logo

open integration platform with IAM & web portal

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Open Source
UCS Core Edition - free UCS Base Subscription - 25.00 €/net per user and year UCS Standard Subscription - from 30.00 €/net per user and year

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AppSignal logo

The all-in-one APM for teams of all sizes and scale.

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Open Source
AppSignal plans start at $23 per month, with custom options available for larger teams or specific needs. Every plan includes: - Unlimited apps and hosts - Access to all core features, regardless of plan size - 30-day trace retention for reliable performance insights - 1GB of log storage included, with additional storage available at $10 per 10GB - Expert support included as standard Optional add-ons are available for SAML SSO, long-term log storage, and HIPAA compliance. Save 10% with an annual plan. AppSignal offers simple, predictable pricing that scales with your team.

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