Open Source Monitoring & Observability Tools using Go

A curated collection of the best free and open source tools for knowing what a system is doing, covering metrics, logs, traces, uptime checks, dashboards and alerting using Go.

Uptime Kuma

Self-hosted monitoring tool that checks whether your sites, servers and containers are up and tells you the moment they are not.

Alternative to:

UptimeRobot

Self-hosted uptime monitoring with a clean dashboard

Stars
93,010
Forks
8,626
Last commit
21 hours ago

Grafana

Open source platform for querying, visualizing and alerting on metrics and logs wherever they are stored, with dashboards you share.

Alternative to:

Datadog

Unified observability for metrics, logs, traces, and more

Stars
77,560

Prometheus

A monitoring system that scrapes time series from configured targets, evaluates rules and fires alerts, standard equipment for cloud native operations.

Alternative to:

Datadog

Open source metrics collection, storage, and alerting

Stars
66,820

ProjectDiscovery

A template-driven vulnerability scanner that runs YAML detection recipes across HTTP, DNS, TCP and more, at scale from the command line.

Alternative to:

Detectify

Advanced vulnerability detection and management platform

Stars
32,381

SigNoz

An OpenTelemetry-native observability platform keeping logs, metrics, traces, alerts and dashboards in one place instead of separate tools.

Alternative to:

Datadog

Open-source observability platform for cloud-native apps

Stars
32,473

VictoriaMetrics

Time series database and Prometheus replacement for teams storing large volumes of metrics without the memory and disk cost.

Alternative to:

Datadog

High-performance time series database for metrics and logs

Stars
17,926

OpenReplay

Self-hosted session replay suite that shows developers what users did on a web app and what broke underneath.

Alternative to:

Hotjar

Self-hosted session replay with complete data control

Stars
13,057

Gatus

A developer-oriented health dashboard that runs HTTP, ICMP, TCP and DNS checks against your services and alerts before users notice.

Alternative to:

UptimeRobot

Advanced automated status page for real-time monitoring

Stars
12,428

HyperDX

An observability interface for ClickHouse that puts logs, metrics, traces, and session replays behind one search for engineers debugging production.

Alternative to:

Datadog

Full-stack observability without the enterprise price tag

Stars
9,974

OpenStatus

Status pages and uptime monitoring in one open source platform, for teams that would rather not wire two tools together.

Alternative to:

UptimeRobot

Status page and uptime monitoring for growing teams

Stars
9,237

Highlight

Fullstack monitoring for web teams, pairing session replay with error tracking, logs and traces behind a few lines of setup.

Alternative to:

Datadog

Real-time observability for modern web applications

Stars
9,385

Coroot

eBPF based observability that maps services and audits them automatically, for teams who cannot instrument every application by hand.

Alternative to:

Datadog

Full-stack observability without code changes

Stars
7,991

OneUptime

One platform for uptime monitoring, on-call, status pages, incidents, logs, traces and metrics, replacing a shelf of separate SaaS tools.

Alternative to:

Datadog

Comprehensive monitoring and incident management platform

Stars
7,765

Uptrace

OpenTelemetry-native APM that stores traces, metrics and logs in ClickHouse, giving teams one interface for monitoring and troubleshooting applications.

Alternative to:

Datadog

Open source observability platform for modern applications

Stars
4,307

Maple

Maple is an OpenTelemetry observability platform for traces, logs, and metrics, aimed at teams that want to run their own telemetry stack.

Alternative to:

Datadog

OpenTelemetry observability with traces, logs, and metrics

Stars
1,921

Gigapipe

Polyglot observability backend for logs, metrics, traces and profiles, drop-in compatible with Loki, Prometheus, Tempo and Pyroscope.

Alternative to:

Datadog

All-in-one observability with unlimited data ingestion

Stars
1,718

Peekaping

Self-hosted uptime monitoring with an API-first Go server, status pages and more than twenty alert channels, aimed at DevOps teams.

Alternative to:

UptimeRobot

Self-hosted uptime monitoring you own and control

Stars
1,204

Temps

One self-hosted binary replaces the deployment platform, error tracker, analytics service, uptime monitor, email sender, and sandbox provider you pay for separately.

Alternative to:

Datadog

One self-hosted binary replaces Vercel, Sentry, and analytics tools

Stars
875

Statusnook

Self-hosted status page and endpoint monitor for small teams, deployable in minutes and configurable entirely from one YAML file.

Alternative to:

UptimeRobot

Monitor, manage, and communicate service status effortlessly

Stars
988

Wachd

Self-hosted alert intelligence that collects context around an incident and hands the on-call engineer a plain-English probable cause.

Alternative to:

PagerDuty

AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped

Stars
42

EasyMonitor

Self-hosted uptime and performance monitoring with multi-region probes and public status pages, for teams that would rather not rent a watchdog.

Alternative to:

UptimeRobot

Self-hosted uptime monitoring that runs on your hardware, not their servers

Stars
84

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Open Source Monitoring & Observability Tools using Go

A curated collection of the best free and open source tools for knowing what a system is doing, covering metrics, logs, traces, uptime checks, dashboards and alerting using Go.

Uptime Kuma

Grafana

Prometheus

ProjectDiscovery

SigNoz

VictoriaMetrics

OpenReplay

Gatus

HyperDX

OpenStatus

Highlight

Coroot

OneUptime

Uptrace

Maple

Gigapipe

Peekaping

Temps

Statusnook

Wachd

EasyMonitor

Uptime Kuma

Grafana

Prometheus

ProjectDiscovery

SigNoz

VictoriaMetrics

OpenReplay

Gatus

HyperDX

OpenStatus

Highlight

Coroot

OneUptime

Uptrace

Maple

Gigapipe

Peekaping

Temps

Statusnook

Wachd

EasyMonitor

NetData