#metrics

The OpenTelemetry .NET Client

OpenTelemetry Python API and SDK

The Prometheus monitoring system and time series database.

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+.

A declarative JavaScript library for application development using cloud services.

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

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

OpenTelemetry Collector

OpenTelemetry Go API and SDK

OpenTelemetry JavaScript Client

OpenTelemetry Ruby API & SDK, and related gems

The Rust OpenTelemetry implementation

Prometheus instrumentation library for JVM applications

AI observability platform for production LLM and agent systems.

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.

Powertools for AWS is a developer toolkit to implement Serverless best practices and increase developer velocity.

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

The Grafana Faro Web SDK, part of the Grafana Faro project, is a highly configurable web SDK for real user monitoring (RUM) that instruments browser frontend applications to capture observability signals. Frontend telemetry can then be correlated with backend and infrastructure data for full-stack observability.

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

The OpenTelemetry C++ Client

OpenTelemetry instrumentation for JavaScript modules

Exporter for machine metrics

High-level library to help with training and evaluating neural networks in PyTorch flexibly and transparently.

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

A high-performance observability data pipeline.

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

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

Build production-ready applications in TypeScript

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