20 self-hosted New Relic 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

Grafana is an open source observability and data visualization platform for querying, graphing, and alerting on metrics, logs, and traces across many data sources.

76.4k stars14.6k forksAGPL-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

Sentry is a developer-focused platform for error tracking, performance monitoring, and tracing to help teams detect, investigate, and fix issues faster.

44.6k stars4.8k forkslast commit 27 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

Grafana Loki is a Prometheus-inspired log aggregation system that indexes labels (not log contents) for cost-effective storage and fast querying, with Grafana integration.

28.8k stars4.1k forksAGPL-3.0last commit 26 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

Fast, resource-efficient time series database compatible with Prometheus and Grafana, for scalable monitoring and long-term metrics storage.

17.6k stars1.7k forksApache-2.0last commit 26 Aug 2026Actively maintained

Self-hostable observability platform for uptime monitoring, alerting, incident management, on-call, status pages, logs, and APM in one integrated suite.

7.5k stars445 forksApache-2.0last commit 27 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

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 monitoring for servers, services, SSL, incidents and status pages; React frontend with a Go backend and embedded SQLite data store.

2.9k stars253 forksMITlast commit 17 Jul 2026Actively maintained

Parseable ingests, analyzes, and extracts insights from MELT telemetry data with predictive analytics and a unified SQL/NL querying interface.

2.4k stars171 forksAGPL-3.0last commit 26 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

Privacy-first, cookie-less open-source web analytics with session analysis, real-user performance monitoring, error tracking and feature flags. Self-hostable or available as managed cloud.

1.2k stars71 forksAGPL-3.0last commit 26 Aug 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