Awesome Observability

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

A high-performance observability data pipeline.

Your window into all of your data

Zipkin is a distributed tracing system

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

Add-on agent to generate and expose cluster-level metrics.

AI observability platform for production LLM and agent systems.

Hubble - Network, Service & Security Observability for Kubernetes using eBPF

Observe any stack, any service and any data, using any UI components you prefer, never missing any X factors and resolve them before they become real problems.

Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF

OpenTelemetry Collector distribution with programmable pipelines

🚀 Realtime Monitoring solution for Node.js/Express.js apps, inspired by status.github.com, sponsored by https://dynobase.dev

High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

OpenLIT is the open-source agent harness engineering platform: trace, evaluate, guard, and improve everything around the model in your AI agents, on OTEL.

🦥 Easy and simple Prometheus SLO (service level objectives) generator

An extensible Java library for HTTP request and response logging

The .NET/.NET Core instrument agent for Apache SkyWalking

[Moved to cloudprober/cloudprober] An active monitoring software to detect failures before your customers do.

Langtrace 🔍 is an open-source, Open Telemetry based end-to-end observability tool for LLM applications, providing real-time tracing, evaluations and metrics for popular LLMs, LLM frameworks, vectorDBs and more.. Integrate using Typescript, Python. 🚀💻📊

Metrics dashboards on terminal (a grafana inspired terminal version)

Observe FastAPI app with three pillars of observability: Traces (Tempo), Metrics (Prometheus), Logs (Loki) on Grafana through OpenTelemetry.

Export Kubernetes events to multiple destinations with routing and filtering

Dev Tools for the Serverless World - Issues, PRs and ⭐️welcome!

KubeEye aims to find various problems on Kubernetes, such as application misconfiguration, unhealthy cluster components and node problems.

Turning Kubernetes Events into spans

ML powered analytics engine for outlier detection and root cause analysis.

DataBuff is an AI-native APM built on Opentelemetry，with multi-agent troubleshooting out of the box.

pktvisor is a dynamic network observability agent that smartly analyzes network traffic and generates opentelemetry metrics

A programmable, observable and distributed job orchestration system.

A tool to track SLA, SLO and Error budgets

OrcaReplay — Time travel for AI agents. Record, replay, fork, and debug any agent run with any model. Built by the OrcaRouter.ai team.

This repository contains the deployment configurations for the Observatorium instances

inspectIT Ocelot - Java agent for collecting application performance, tracing and behavior data

Fast and lightweight log transport and processing.

Lightweight self-hosted application monitoring for small servers. Spring Boot, Quarkus, SQLite history, simple charts. No Prometheus/Grafana stack required.

Agent and LLM API performance monitoring via network packet probe. Measures performance of OpenClaw, Claude, Codex, DeepAgents and more — deployed on the provider side, no SDK changes required.

Realistic synthetic events for testing, demos, and pipelines — streamed live or generated in bulk

🇺🇦🇵🇱 A static analysis tool for OpenTelemetry Collector configurations. Built on OPA/Rego, it validates your pipelines, receivers, processors, and exporters against customizable policy rules – catching misconfigurations before they reach production

Observability for AI coding assistants — cost tracking, efficiency scoring, and anti-pattern detection for Claude Code, Cursor, Copilot, and more. Local-first; New Relic optional.

Unified observability for logs, metrics and traces — low overhead instrumentation (Rust, Unreal Engine 5), OTLP ingestion, SQL analytics on DataFusion over Parquet, presentation through notebooks, Grafana and Python. Self-hosted.

Lightweight cost observability for every API call in your stack. Track LLM tokens, database ops, and external services from your terminal.

Self-hosted observability platform — error tracking, performance tracing, metrics, uptime monitoring, and profiling.

Lightweight self-hosted telemetry: errors, events, sessions, and a dashboard. Fastify API, Next.js UI, PostgreSQL, @telemetry-tracker/* SDKs.

Diff your AI agent's behavior between two runs. See exactly which tool calls, args, costs and outputs changed when you swap models or edit prompts.

Generate the complete reliability stack from a service spec in 5 minutes. Dashboards, alerts, SLOs, PagerDuty - zero toil.

Lightweight self hosted error tracking for indie devs and startup teams. Sentry SDK compatible. 2-container. Installation within 15s.

Open-source, local observability TUI for Claude Code and Codex — context, cost, tokens, agents, tools, compactions, and code changes.