Best Self-hosted Performance Monitoring (APM) Tools in 2026

Grafana

Open source analytics and monitoring solution

Stars
73,522
Forks
13,821
Last commit
10 hours ago

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Open Source Alternative to:

Power BI

Sentry

Real-time error tracking and performance monitoring

Stars
43,742
Forks
4,675
Last commit
9 hours ago

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

Open Source Alternative to:

DataDog

SigNoz

Open-source observability platform for cloud-native apps

Stars
26,734
Forks
2,138
Last commit
14 hours ago

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Open Source Alternative to:

DataDog

OpenReplay

Self-hosted session replay with complete data control

Stars
11,999
Forks
734
Last commit
18 hours ago

Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

Open Source Alternative to:

June

Checkmate

Beautiful open-source monitoring for modern infrastructure

Stars
9,714
Forks
1,093
Last commit
10 hours ago

Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

Open Source Alternative to:

UptimeRobot

HyperDX

Full-stack observability without the enterprise price tag

Stars
9,471
Forks
394
Last commit
9 hours ago

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

Open Source Alternative to:

DataDog

Highlight

Real-time observability for modern web applications

Stars
9,245
Forks
541
Last commit
16 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

OneUptime

Comprehensive monitoring and incident management platform

Stars
6,912
Forks
374
Last commit
10 hours ago

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

Opsgenie

Uptrace

Open source observability platform for modern applications

Stars
4,184
Forks
209
Last commit
14 hours ago

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Open Source Alternative to:

DataDog

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Grafana

Open source analytics and monitoring solution

Stars
73,522
Forks
13,821
Last commit
10 hours ago

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Open Source Alternative to:

Power BI

Sentry

Real-time error tracking and performance monitoring

Stars
43,742
Forks
4,675
Last commit
9 hours ago

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

Open Source Alternative to:

DataDog

SigNoz

Open-source observability platform for cloud-native apps

Stars
26,734
Forks
2,138
Last commit
14 hours ago

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Open Source Alternative to:

DataDog

OpenReplay

Self-hosted session replay with complete data control

Stars
11,999
Forks
734
Last commit
18 hours ago

Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

Open Source Alternative to:

June

Checkmate

Beautiful open-source monitoring for modern infrastructure

Stars
9,714
Forks
1,093
Last commit
10 hours ago

Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

Open Source Alternative to:

UptimeRobot

HyperDX

Full-stack observability without the enterprise price tag

Stars
9,471
Forks
394
Last commit
9 hours ago

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

Open Source Alternative to:

DataDog

Highlight

Real-time observability for modern web applications

Stars
9,245
Forks
541
Last commit
16 days ago

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

DataDog

OneUptime

Comprehensive monitoring and incident management platform

Stars
6,912
Forks
374
Last commit
10 hours ago

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

Opsgenie

Uptrace

Open source observability platform for modern applications

Stars
4,184
Forks
209
Last commit
14 hours ago

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Open Source Alternative to:

DataDog

Self-hosted Performance Monitoring (APM) Tools

A curated collection of the best self-hosted application Performance Monitoring tools for tracking application behavior.