Monitoring & Status

Easy self-hosted uptime monitoring tool

Replaces Pingdom, UptimeRobot

Real-time per-second infrastructure monitoring

Replaces Datadog, New Relic

Open observability dashboards and visualization

Replaces Datadog

Metrics-based monitoring and alerting toolkit

Replaces Datadog

Cross-platform system monitoring at a glance

Replaces Datadog

Purpose-built time series database for metrics and events

Replaces Datadog, AWS Timestream

Developer-friendly load testing and performance tool

Replaces LoadRunner, BlazeMeter

Log aggregation system inspired by Prometheus

Replaces Splunk, Datadog Logs

APM and observability for cloud-native architectures

Replaces New Relic, Datadog

Lightweight server monitoring with a clean hub

Replaces UptimeRobot

End-to-end distributed tracing for microservices

Replaces Datadog APM, New Relic

High-performance observability data pipeline

Replaces Logstash, Fluentd

Visualization and exploration for Elasticsearch data

Replaces Splunk, Datadog

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

Distributed tracing system for latency troubleshooting

Replaces Datadog APM

GitHub-powered uptime monitor and status page

Replaces Statuspage, Pingdom

Self-hosted status page and incident communication tool

Replaces Statuspage, Better Uptime

Server-side data processing pipeline for logs

Replaces Fluentd

Highly available Prometheus setup with long-term storage

Replaces Datadog, Grafana Cloud

Real-time log viewer for Docker containers

Replaces Datadog Logs

Application performance management for large-scale systems

Replaces New Relic, Dynatrace

Prometheus exporter for hardware and OS metrics

Replaces Datadog Agent

Unified logging layer for collecting and routing data

Replaces Logstash

Search and observability suite with logs and dashboards

Replaces Elasticsearch, Splunk

Developer-oriented health dashboard and status page

Replaces UptimeRobot, Pingdom

Continuous profiling for finding performance bottlenecks

Replaces Datadog Profiler

Open-source uptime and infrastructure monitoring tool

Replaces Pingdom, Better Uptime

Cron job and scheduled task monitoring

Replaces Pingdom

Open-source observability for logs, traces, and session replay

Replaces Datadog, Sentry

Lightweight server resource monitoring agent network

Replaces Pingdom, Checkly

Handles alerts from Prometheus with routing and silencing

Replaces PagerDuty, Opsgenie

Centralized log management and analysis platform

Replaces Splunk, Datadog Logs

High-speed network traffic analysis and flow monitoring

Replaces SolarWinds NetFlow

Web dashboard for hard drive SMART health monitoring

Replaces CrystalDiskInfo

Lightweight and fast logs and metrics processor

Replaces Logstash

eBPF-based observability with automatic insights

Replaces Datadog, New Relic

Vendor-agnostic agent for telemetry collection and export

Replaces Datadog Agent

Real-time monitoring system with customizable templates

Replaces Zabbix, Datadog

Lightweight uptime monitoring with a public status page

Replaces StatusPage, UptimeRobot

Lightweight network IP scanner with web UI

Replaces Fing, Angry IP Scanner

Network presence scanner and intrusion detection

Replaces Fing

Self-hosted monitoring of Proxmox and infrastructure

Replaces Datadog

Enterprise-grade open-source monitoring solution

Replaces Datadog, Nagios

Scalable real-time graphing and time series storage

Replaces Datadog

Tracks internet connection speed over time on a dashboard

Replaces Speedtest.net

Horizontally scalable, multi-tenant Prometheus as a service

Replaces Datadog, Grafana Cloud

Probes endpoints over HTTP, TCP, DNS, and ICMP

Replaces Pingdom

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

Replaces Datadog APM

Scalable long-term storage for Prometheus metrics

Replaces Datadog, Chronosphere

Modern status page system built with SvelteKit

Replaces Statuspage, Better Uptime

Continuous profiling with eBPF whole-system insight

Replaces Datadog Profiler

Auto-discovering network monitoring system

Replaces Nagios

Unified monitoring wallboard for builds and services

Replaces Datadog

Self-hosted error catcher compatible with Airbrake

Replaces Airbrake, Sentry

OpenTelemetry-based tracing, metrics, and logs tool

Replaces Datadog, New Relic

Extract Prometheus metrics from application log files

Replaces Splunk, Datadog Log Metrics

Open-source on-call management and incident escalation

Replaces PagerDuty, Opsgenie

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

Kubernetes observability and automated troubleshooting

Replaces Datadog, PagerDuty

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

Real-time streaming data processing and alerting engine

Replaces Datadog Monitors, Splunk ITSI

Open dashboard tool and visualization standard for metrics

Replaces Grafana

Comprehensive IT infrastructure monitoring

Replaces Nagios, Datadog

Synthetic monitoring and health checks for Kubernetes

Replaces Datadog

Scalable monitoring system that watches hosts and networks

Replaces SolarWinds, PRTG

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

Industry classic host and service monitoring engine

Replaces SolarWinds, PRTG

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

RRDtool-based network graphing and monitoring solution

Replaces PRTG, SolarWinds

SMTP gateway that forwards email alerts to push services

Replaces PagerDuty

Track domain expiry, DNS, and SSL certificate health

Replaces DNSstuff

Prometheus exporter for Proxmox Virtual Environment

Replaces vRealize Operations

Calendar-based on-call scheduling and team management

Replaces PagerDuty

Self-hosted uptime monitoring and status page service

Replaces Pingdom, Better Uptime

Enterprise network management and monitoring platform

Replaces SolarWinds, PRTG

Python monitoring framework compatible with Nagios

Replaces SolarWinds

Alerting framework for anomalies in Elasticsearch data

Replaces Splunk Alerts

Frontend observability SDK and collector

Replaces Sentry, LogRocket

Monitoring as code pipeline for cloud and bare metal

Replaces Datadog, PagerDuty

Database performance monitoring for MySQL, PostgreSQL and MongoDB

Replaces Datadog Database Monitoring, SolarWinds DPA

Modern web interface for the Icinga monitoring system

Replaces Nagios XI, op5 Monitor

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

Multi-service status monitoring with deployment tracking

Replaces Dependabot

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

Flexible enterprise-grade monitoring system

Replaces SolarWinds, PRTG

Multi-backend monitoring web interface for Nagios family

Replaces SolarWinds

Enterprise-grade network and infrastructure monitoring

Replaces SolarWinds, PRTG

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

Monitor Fail2Ban and manually ban / release IP's

Simple self-hosted website and service uptime monitor

Replaces Pingdom, Better Uptime

Lightweight self-hosted status page and uptime monitor

Replaces StatusPage, Better Uptime

Auto-discovering network monitoring platform

Replaces SolarWinds, PRTG