Best Open Source Monitoring & Observability Tools using Python in 2026

SigNoz

Open-source observability platform for cloud-native apps

Stars
26,582
Forks
2,110
Last commit
3 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
11,651
Forks
1,304
Last commit
3 days ago

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

Open Source Alternative to:

Opsgenie

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,020
Forks
936
Last commit
6 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

DataDog

Bugsink

Self-hosted error tracking for full control and scalability

Stars
1,694
Forks
91
Last commit
9 days 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
457
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
26,582
Forks
2,110
Last commit
3 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
11,651
Forks
1,304
Last commit
3 days ago

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

Open Source Alternative to:

Opsgenie

OpenLLMetry

Monitor LLM performance with open-source observability

Stars
7,020
Forks
936
Last commit
6 hours ago

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Open Source Alternative to:

DataDog

Bugsink

Self-hosted error tracking for full control and scalability

Stars
1,694
Forks
91
Last commit
9 days 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
457
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

Open Source Monitoring & Observability Tools using Python

A curated collection of the best open source tools for monitoring system health, performance, and availability. using Python.