Open-source monitoring & observability tools. To compare with SSLMonit.

Uptime Kuma

Monitoring & Observability

A self-hosted monitoring tool

Netdata

Monitoring & Observability

The fastest path to AI-powered full stack observability, even for lean teams.

Grafana

Monitoring & Observability

The open and composable observability and data visualization platform. Visualize metrics,

Prometheus

Monitoring & Observability

The Prometheus monitoring system and time series database.

Sentry

Monitoring & Observability

Developer-first error tracking and performance monitoring

Langfuse

AI Infrastructure

Trace, evaluate, and improve AI agents with one open platform. Use production data to unde

Changedetection.io

Monitoring & Observability

Best and simplest way to monitor websites for changes, change detection, website checker,

Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, macOS and Window

SigNoz

Monitoring & Observability

SigNoz Cloud is a one-stop observability tool built on top of OpenTelemetry. Get APM, logs

Grafana Loki

Monitoring & Observability

Like Prometheus, but for logs.

Beszel

Monitoring & Observability

Lightweight server monitoring with historical data, Docker stats, and alerts.

Jaeger

Monitoring & Observability

CNCF Jaeger, a Distributed Tracing Platform

Vector

Monitoring & Observability

A high-performance observability data pipeline.

OpenObserve

Monitoring & Observability

High-performance, unified observability for the AI era. 140x lower storage cost.

Opik

AI Infrastructure

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows wit

Kibana

Monitoring & Observability

Your window into all of your data

cAdvisor

Monitoring & Observability

Analyzes resource usage and performance characteristics of running containers.

Telegraf

Monitoring & Observability

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitr

VictoriaMetrics

Monitoring & Observability

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Upptime

Monitoring & Observability

⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary

System Informer

Monitoring & Observability

A free, powerful, multi-purpose tool that helps you monitor system resources, debug softwa

Cachet

Monitoring & Observability

From startups to Fortune 500 companies, organizations worldwide trust Cachet to streamline

Logstash

Data Pipelines & ETL

Logstash - transport and process your logs, events, or other data

Dozzle

Monitoring & Observability

Realtime log viewer for containers. Supports Docker, Swarm and K8s.

Yet another cross-platform graphical process/system monitor.

Thanos

Monitoring & Observability

Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating p

Pinpoint

Monitoring & Observability

APM, (Application Performance Management) tool for large-scale distributed systems.

Nightingale

Monitoring & Observability

Nightingale is to monitoring and alerting what Grafana is to visualization.

Gatus

Monitoring & Observability

Create beautiful, automated status pages with advanced monitoring. Track HTTP, DNS, TCP en

Keep

Monitoring & Observability

The open-source AIOps and alert management platform

Arize Phoenix

AI Infrastructure

AI Observability & Evaluation

Pyroscope

Monitoring & Observability

Continuous Profiling Platform. Debug performance issues down to a single line of code

Quickwit

Monitoring & Observability

Cloud-native OSS search engine for observability

Checkmate

Monitoring & Observability

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardwar

Spug

CI/CD & DevOps

Spug is a lightweight agent-free automatic operation and maintenance platform designed for

Healthchecks

Monitoring & Observability

Open-source cron job and background task monitoring service, written in Python & Django

Nezha

Monitoring & Observability

:trollface: Self-hosted, lightweight server and website monitoring and O&M tool

HyperDX

Monitoring & Observability

Resolve production issues, fast. An open source observability platform unifying session re

Prometheus Operator

Monitoring & Observability

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

Sentry

Monitoring & Observability

How you can run all of Sentry on your own server, without paying anything.

Highlight.io

Monitoring & Observability

Highlight gives your team full transparency into the errors, interactions, and performance

A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more.

OpenStatus

Monitoring & Observability

🫖 Status page with uptime monitoring & API monitoring as code 🫖

Alertmanager

Monitoring & Observability

Prometheus Alertmanager

Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds

Graylog

Monitoring & Observability

Free and open log management

Coroot

Monitoring & Observability

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. I

OneUptime

Monitoring & Observability

Complete open-source monitoring and observability platform.

OpenTelemetry Collector

Monitoring & Observability

OpenTelemetry Collector

Apache HertzBeat

Monitoring & Observability

AI-powered open source real-time monitoring system for metrics, logs, alerts, and observab

MeshCentral

Networking & VPN

A complete web-based remote monitoring and management web site. Once setup you can install

Real-time monitor and web admin for Celery distributed task queue

An interactive NVIDIA-GPU process viewer and beyond, the one-stop solution for GPU process

GreptimeDB

Databases

GreptimeDB open source: metrics, logs, and traces share one table model on a columnar engi

OpenCost

Monitoring & Observability

Cost monitoring for Kubernetes workloads and cloud costs

Pulse

Monitoring & Observability

Pulse brings Proxmox, Docker, Kubernetes, TrueNAS, and vSphere into one self-hosted worksp

Suricata

Security

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network

Pixie

Monitoring & Observability

Instant Kubernetes-Native Application Observability

Zabbix

Monitoring & Observability

Real-time monitoring of IT components and services, such as networks, servers, VMs, applic

Komari

Monitoring & Observability

A simple server monitor tool.