Best Lightweight Monitoring & Status for self-hosting

Easy self-hosted uptime monitoring tool

Replaces Pingdom, UptimeRobot

Real-time per-second infrastructure monitoring

Replaces Datadog, New Relic

Metrics-based monitoring and alerting toolkit

Replaces Datadog

Cross-platform system monitoring at a glance

Replaces Datadog

Log aggregation system inspired by Prometheus

Replaces Splunk, Datadog Logs

Lightweight server monitoring with a clean hub

Replaces UptimeRobot

High-performance observability data pipeline

Replaces Logstash, Fluentd

Real-time web log analyzer and interactive viewer

Replaces Google Analytics

Container resource usage and performance analysis

Replaces Datadog

Plugin-driven server agent for collecting metrics

Replaces Datadog Agent

Fast, cost-effective time series database and monitoring solution

Replaces Datadog, Grafana Cloud

Real-time log viewer for Docker containers

Replaces Datadog Logs

Prometheus exporter for hardware and OS metrics

Replaces Datadog Agent

Developer-oriented health dashboard and status page

Replaces UptimeRobot, Pingdom

Cron job and scheduled task monitoring

Replaces Pingdom

Web dashboard for hard drive SMART health monitoring

Replaces CrystalDiskInfo

Lightweight and fast logs and metrics processor

Replaces Logstash

Lightweight uptime monitoring with a public status page

Replaces StatusPage, UptimeRobot

Lightweight network IP scanner with web UI

Replaces Fing, Angry IP Scanner

Self-hosted monitoring of Proxmox and infrastructure

Replaces Datadog

Tracks internet connection speed over time on a dashboard

Replaces Speedtest.net

Probes endpoints over HTTP, TCP, DNS, and ICMP

Replaces Pingdom

Easy-to-operate, high-scale distributed tracing backend

Replaces Datadog APM

Modern status page system built with SvelteKit

Replaces Statuspage, Better Uptime

Continuous profiling with eBPF whole-system insight

Replaces Datadog Profiler

Unified monitoring wallboard for builds and services

Replaces Datadog

Extract Prometheus metrics from application log files

Replaces Splunk, Datadog Log Metrics

Prometheus exporter for Redis server and cluster metrics

Replaces Datadog Redis, RedisInsight

Prometheus exporter for assorted system metrics

Replaces Datadog Agent

Prometheus exporter for PostgreSQL server metrics

Replaces Datadog PostgreSQL, pganalyze

OpenTelemetry collector distribution for all telemetry

Replaces Datadog Agent

Lightweight system statistics collection daemon

Replaces Datadog Agent

Push acceptor for ephemeral and batch job metrics

Replaces Datadog

Static status page based on Hugo and Markdown

Replaces Statuspage

Alert dashboard for Prometheus Alertmanager

Replaces PagerDuty

Prometheus exporter for Apache Kafka brokers and consumer lag

Replaces Confluent Control Center, Datadog Kafka

Official Prometheus exporter for MySQL and MariaDB

Replaces Datadog MySQL, VividCortex

Synthetic monitoring and health checks for Kubernetes

Replaces Datadog

Simple PHP tool for monitoring servers and websites

Replaces Pingdom, UptimeRobot

Prometheus exporter for SNMP-enabled network devices

Replaces SolarWinds

Prometheus exporter for per-process metrics

Replaces Datadog Agent

Networked resource monitoring with plug-and-play graphs

Replaces Datadog

Fast and resource-efficient open-source log database

Replaces Splunk, Elasticsearch

Prometheus exporter for Elasticsearch cluster metrics

Replaces Elastic Stack Monitoring, Datadog Elasticsearch

Zero-code eBPF auto-instrumentation for application metrics

Replaces Datadog APM, New Relic

Official Prometheus exporter for NGINX and NGINX Plus

Replaces Datadog NGINX, New Relic NGINX

Status page and monitoring server

Replaces UptimeRobot, Pingdom

Self-hosted error tracking that is simple to run

Replaces Sentry, Bugsnag

Latency measurement and network performance grapher

Replaces PRTG

Microservices status page with built-in monitoring

Replaces Statuspage, Pingdom

SMTP gateway that forwards email alerts to push services

Replaces PagerDuty

Prometheus exporter for Proxmox Virtual Environment

Replaces vRealize Operations

Modern status page frontend powered by Uptime Kuma data

Replaces StatusPage, Instatus

Prometheus exporter that scrapes metrics from JSON APIs

Replaces Datadog

Prometheus exporter that probes latency like Smokeping

Replaces SmokePing, PingPlotter

Prometheus exporter for PHP-FPM process pool metrics

Replaces New Relic PHP, Datadog APM

Active probing for distributed systems and network reliability

Replaces Pingdom, Catchpoint

Prometheus exporter for ICMP ping round-trip metrics

Replaces PingPlotter, ThousandEyes

Synthetic monitoring with HTTP probes from config

Replaces Pingdom, Datadog Synthetics

Prometheus exporter for IPMI hardware sensors

Replaces Dell OpenManage

Database-agnostic Prometheus exporter driven by custom queries

Replaces Datadog Custom Metrics, New Relic Query Insights

Prometheus exporter for disk SMART health data

Replaces CrystalDiskInfo

Prometheus exporter for Apache HTTP Server metrics

Replaces Datadog Apache, New Relic Apache

Prometheus exporter for Network UPS Tools

Replaces APC PowerChute

Prometheus exporter for internet speed test results

Replaces Speedtest.net

Process supervision and self-healing system monitoring

Replaces Datadog

Network monitoring core based on the Nagios codebase

Replaces SolarWinds, PRTG

Lightweight HTTP and ping monitoring with alerts

Replaces UptimeRobot

Lightweight self-hosted status page and uptime monitor

Replaces StatusPage, Better Uptime

Auto-discovering network monitoring platform

Replaces SolarWinds, PRTG