Monitoring

System statistics collection daemon. Collects performance metrics from the OS and applications, stores them in RRD files or forwards to other systems.

Low-maintenance auto-discovering network monitoring platform. Supports SNMP, CDP/LLDP discovery, and provides detailed per-port traffic graphs.

Grafana-backed horizontally scalable long-term storage for Prometheus.

Prometheus exporter for PostgreSQL. Database size, connections, query performance, replication lag, and custom queries.

Real-time performance monitoring agent with per-second granularity. Auto-detects thousands of metrics from OS, containers, databases, and applications.

Plugin-driven server agent for collecting and reporting metrics. 300+ input plugins. Sends data to InfluxDB, Prometheus, and others.

Self-hosted monitoring tool like UptimeRobot. Monitors HTTP, TCP, DNS, Docker, and more. Beautiful UI, notifications via 90+ services.

Highly available Prometheus setup with long-term storage. Global query view, unlimited retention, and compaction. CNCF incubating project.

Open-source APM and observability platform. Traces, metrics, and logs in a single pane. ClickHouse-based, OpenTelemetry-native.

Handles alerts sent by Prometheus server. Deduplication, grouping, routing, silencing, and inhibition. Sends to email, Slack, PagerDuty.

Industry-standard open-source IT infrastructure monitoring. Monitors hosts, services, and network devices. Extensive plugin ecosystem.

Self-hosted watchdog for monitoring websites and infrastructure.

Open-source distributed tracing backend for microservices. Integrates natively with Grafana for trace visualization.

Comprehensive IT monitoring for servers, networks, clouds, and containers. Free edition with unlimited hosts. Auto-discovery, dashboards, alerting.

Enterprise-grade open-source network monitoring and management platform. Auto-discovery, event management, performance data collection, topology maps.

Cross-platform system monitoring tool written in Python. Shows CPU, memory, disk, network, Docker containers, processes in a single terminal view.

Networked resource monitoring tool. Creates graphs of trends using RRDtool. Plug-and-play architecture with hundreds of monitoring plugins.

Prometheus exporter for hardware and OS metrics. CPU, memory, disk, network, and filesystem stats. Foundation of Prometheus monitoring.

Comprehensive IT monitoring for servers, applications, networks, cloud, containers, and more. Auto-discovery, dashboards, alerting built-in.

Open-source systems monitoring and alerting toolkit. Pull-based metrics collection, powerful PromQL query language, native Grafana integration.

Enterprise-class open-source monitoring solution for networks, servers, virtual machines, and cloud services. Supports SNMP, IPMI, JMX, and custom checks.

Complete network graphing solution using RRDtool. Provides SNMP polling, graph templates, and data source management. Great for bandwidth monitoring.