#observability

AI Observability & Evaluation

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

eBPF-based Networking, Security, and Observability

The OpenTelemetry .NET Client

Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

LangSmith Client SDK Implementations

OpenTelemetry Collector

AI observability platform for production LLM and agent systems.

Automate Kubernetes observability with Dynatrace

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

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.

AWS Distro for OpenTelemetry Collector (see ADOT Roadmap at https://github.com/orgs/aws-observability/projects/4)

OpenTelemetry Collector distribution with programmable pipelines

Continuous Profiling Platform. Debug performance issues down to a single line of code

The platform for LLM evaluations and AI agent testing

The fastest path to AI-powered full stack observability, even for lean teams.

NGINX Agent provides an administrative entry point to remotely manage, configure and collect metrics and events from NGINX instances

This repository contains set of components extending functionality of the OpenTelemetry .NET SDK. Instrumentation libraries, exporters, and other components can find their home here.

OpenChoreo is an internal developer platform for Kubernetes

Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

Vector Remap Language

Datadog Python APM Client

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

The dbt-native data observability solution for data & analytics engineers. Monitor your data pipelines in minutes. Available as self-hosted or cloud service with premium features.

eBPF-based autoinstrumentation of web applications and network metrics

🛵 The stylish Node.js middleware engine for AWS Lambda 🛵

A high-performance observability data pipeline.