6 Best Open Source Paessler PRTG Alternatives
A curated collection of the 6 best open source and self-hosted alternatives to Paessler PRTG in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Paessler PRTG in 2026? The top open-source alternative is NetData — Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts..
Other highly rated open-source Paessler PRTG alternatives include OpenObserve, Scanopy and Checkmk.
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.
Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.
Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Monitor networks, servers, and cloud environments with flexible open-source solution. Custom checks, fast alerts, and complete infrastructure control.
Monitor networks, servers, and cloud environments with flexible open-source solution. Custom checks, fast alerts, and complete infrastructure control.
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.
About Paessler PRTG
Monitor your entire IT infrastructure with comprehensive network monitoring that tracks performance, detects issues, and provides real-time insights across servers, devices, and applications.