20 self-hosted LogicMonitor alternatives

Open-source, agent-based monitoring platform delivering per-second metrics, edge ML anomaly detection, tiered time-series storage and centralized cloud UI.

80.3k stars6.6k forksGPL-3.0last commit 27 Aug 2026Actively maintained

Prometheus is an open-source monitoring and time-series database for collecting metrics, querying with PromQL, and alerting on system and application health.

65.8k stars10.8k forksApache-2.0last commit 26 Aug 2026Actively maintained

Glances is a cross-platform system monitoring tool providing a terminal dashboard, web UI, and REST/XML-RPC APIs for local or remote monitoring and exporting metrics.

33.4k stars1.8k forkslast commit 26 Aug 2026Actively maintained

SigNoz is an open-source platform that collects and correlates logs, metrics, and traces using OpenTelemetry for unified observability.

31.9k stars2.4k forkslast commit 27 Aug 2026Actively maintained

Beszel is a lightweight server monitoring platform with historical metrics, Docker/Podman container stats, configurable alerts, multi-user access, and an API.

24.7k stars974 forksMITlast commit 26 Aug 2026Actively maintained

cAdvisor (Container Advisor) collects, processes, and exports resource usage and performance metrics for running containers, with a built-in web UI and REST API.

19.4k stars2.5k forkslast commit 20 Jul 2026Actively maintained

Self-hosted S.M.A.R.T monitoring dashboard that collects SMART data, visualizes historical trends, and alerts on drive health.

8.1k stars296 forksMITlast commit 20 Aug 2026Actively maintained

Self-hosted lightweight LAN IP/ARP scanner with web dashboard, new-host notifications, online/offline history, and metrics export to Prometheus or InfluxDB for Grafana.

7.5k stars283 forksMITlast commit 10 Sept 2025Slowing down

Self-hosted network visibility and presence scanner that discovers connected devices and alerts on new, unknown, or changed hosts across your LAN/Wi‑Fi.

7k stars426 forksGPL-3.0last commit 22 Aug 2026Actively maintained

Real-time monitoring dashboard for Proxmox, Docker/Podman, and Kubernetes with smart alerts, agent auto-discovery, metrics history, and optional AI insights.

6.6k stars265 forksMITlast commit 27 Aug 2026Actively maintained

Zabbix is an open-source monitoring and observability platform for networks, servers, VMs, applications, and cloud infrastructure, with alerting and dashboards.

6.3k stars1.3k forksAGPL-3.0last commit 26 Aug 2026Actively maintained

Scanopy scans networks to discover hosts and services, then generates live, interactive topology diagrams and auto-updating network documentation.

5.6k stars284 forksAGPL-3.0last commit 26 Aug 2026Actively maintained

Dashdot is a modern server dashboard built with React and Node.js for real-time server monitoring on self-hosted systems.

3.5k stars134 forksMITlast commit 3 Mar 2026Actively maintained

Self-hosted tool that auto-discovers system and container ports, maps services in real time, and helps prevent port conflicts across servers via a web dashboard.

2.4k stars99 forksMITlast commit 5 May 2026Actively maintained

SmokePing is an active network monitoring tool that measures latency and packet loss over time, stores results in RRD, and visualizes them via a web UI with alerting.

2k stars216 forksGPL-2.0last commit 10 Aug 2026Actively maintained

LoggiFly monitors Docker/Podman container logs for keywords or regex patterns and sends alerts via ntfy or Apprise, with optional log attachments and container actions.

1.8k stars51 forksMITlast commit 15 Jul 2026Actively maintained

Tiny self-hosted dashboard to monitor and control UPS devices via Network UPS Tools (NUT), with real-time stats, multi-UPS support, and Prometheus/InfluxDB integrations.

1.6k stars45 forksApache-2.0last commit 11 May 2026Actively maintained

Atlas is a containerized network infrastructure visualizer that scans subnets and Docker hosts, stores results, and presents real-time graphs and dashboards for monitoring.

1.3k stars76 forksMITlast commit 2 Mar 2026Actively maintained

Modern web UI for monitoring NUT-compatible UPS devices with real-time charts, historical reporting, and multi-channel alerts. Docker-ready with client/server modes.

833 stars33 forksMITlast commit 24 Aug 2026Actively maintained

Lightweight Prometheus exporter that exposes metrics from the *arr suite (Sonarr, Radarr, Lidarr, etc.) for monitoring and Grafana dashboards.

417 stars18 forksGPL-3.0last commit 26 Aug 2026Actively maintained