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Nagios | Open Source Monitoring and Network Management

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Free open source IT monitoring with Nagios Core. 25+ years of monitoring servers, networks, applications, and infrastructure. Trusted by 1m+ users worldwide.

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Nagios: Free Open Source IT Monitoring Tools

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Prevent IT downtime before it impacts your systems with Nagios Core – the free, open source monitoring solution trusted by 1M+ users worldwide. Monitor severs, networks & applications with powerful community-driven tools.

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Nagios: Free Open Source IT Monitoring Tools

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Prevent IT downtime before it impacts your systems with Nagios Core – the free, open source monitoring solution trusted by 1M+ users worldwide. Monitor severs, networks & applications with powerful community-driven tools.

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