Best Self-hosted Monitoring & Observability Tools in 2026

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

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,768
Forks
1,342
Last commit
2 days ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

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

Bugsink

Self-hosted error tracking for full control and scalability

Stars
1,720
Forks
96
Last commit
1 day ago

Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

Open Source Alternative to:

DataDog

Operational

Real-time event tracking and response for tech products

Stars
459
Forks
17
Last commit
1 month ago

Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons

Open Source Alternative to:

Opsgenie

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

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

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,768
Forks
1,342
Last commit
2 days ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

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

Bugsink

Self-hosted error tracking for full control and scalability

Stars
1,720
Forks
96
Last commit
1 day ago

Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

Open Source Alternative to:

DataDog

Operational

Real-time event tracking and response for tech products

Stars
459
Forks
17
Last commit
1 month ago

Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons

Open Source Alternative to:

Opsgenie

Self-hosted Monitoring & Observability Tools

A curated collection of the best self-hosted tools for monitoring system health, performance, and availability.