Repositories list

• opentelemetry-cpp

  Public

  open-telemetry/opentelemetry-cpp’s past year of commit activity
  The OpenTelemetry C++ Client

  apisdkmetrics+ 3

  apisdkmetricstelemetrydistributed-tracingopentelemetry

  C++

  •

  Apache License 2.0

  •547547 forks•1.2k1.2k stars•210210 issues•2121 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-java-instrumentation

  Public
  OpenTelemetry auto-instrumentation and instrumentation libraries for Java

  Java

  •

  Apache License 2.0

  •1.1k1.1k forks•2.5k2.5k stars•231231 issues•6161 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-ebpf-instrumentation

  Public

  open-telemetry/opentelemetry-ebpf-instrumentation’s past year of commit activity
  C

  •

  Apache License 2.0

  •9393 forks•436436 stars•121121 issues•2626 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-ebpf-profiler

  Public

  open-telemetry/opentelemetry-ebpf-profiler’s past year of commit activity
  The production-scale datacenter profiler (C/C++, Go, Rust, Python, Java, NodeJS, .NET, PHP, Ruby, Perl, ...)

  profilerebpf

  profilerebpf

  Go

  •

  Apache License 2.0

  •394394 forks•3.1k3.1k stars•6868 issues•1919 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-android

  Public

  open-telemetry/opentelemetry-android’s past year of commit activity
  OpenTelemetry Tooling for Android

  Kotlin

  •

  Apache License 2.0

  •9999 forks•283283 stars•8787 issues•1515 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-ruby-contrib

  Public

  open-telemetry/opentelemetry-ruby-contrib’s past year of commit activity
  Contrib Packages for the OpenTelemetry Ruby API and SDK implementation.

  rubytelemetrycncf+ 4

  rubytelemetrycncftracingdistributed-tracingopentelemetryopentelemetry-instrumentation

  Ruby

  •

  Apache License 2.0

  •246246 forks•119119 stars•7171 issues•5151 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-java

  Public

  open-telemetry/opentelemetry-java’s past year of commit activity
  OpenTelemetry Java SDK

  opentelemetry

  opentelemetry

  Java

  •

  Apache License 2.0

  •965965 forks•2.4k2.4k stars•138138 issues•3838 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-collector

  Public

  open-telemetry/opentelemetry-collector’s past year of commit activity
  OpenTelemetry Collector

  monitoringmetricstelemetry+ 3

  monitoringmetricstelemetryobservabilityopentelemetryopen-telemetry

  Go

  •

  Apache License 2.0

  •2k2k forks•6.9k6.9k stars•629629 issues•8181 pull requests•Updated Apr 22, 2026Apr 22, 2026

• otel-arrow

  Public
  Protocol and libraries for sending and receiving OpenTelemetry data using Apache Arrow

  Rust

  •

  Apache License 2.0

  •8989 forks•332332 stars•260260 issues•2525 pull requests•Updated Apr 22, 2026Apr 22, 2026

• opentelemetry-js

  Public

  open-telemetry/opentelemetry-js’s past year of commit activity
  OpenTelemetry JavaScript Client

  apimonitoringmetrics+ 2

  apimonitoringmetricstelemetrydistributed-tracing

  TypeScript

  •

  Apache License 2.0

  •1k1k forks•3.4k3.4k stars•194194 issues•4545 pull requests•Updated Apr 22, 2026Apr 22, 2026

• weaver

  Public
  OTel Weaver lets you easily develop, validate, document, and deploy semantic conventions

  documentationpolicycodegen+ 3

  documentationpolicycodegenobservabilityopentelemetrysemconv

  Rust

  •

  Apache License 2.0

  •7676 forks•381381 stars•107107 issues•2020 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-java-examples

  Public

  open-telemetry/opentelemetry-java-examples’s past year of commit activity
  Java

  •

  Apache License 2.0

  •153153 forks•347347 stars•33 issues•11 pull request•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-java-contrib

  Public

  open-telemetry/opentelemetry-java-contrib’s past year of commit activity
  Java

  •

  Apache License 2.0

  •179179 forks•261261 stars•5959 issues•99 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-php-contrib

  Public
  opentelemetry-php-contrib

  PHP

  •

  Apache License 2.0

  •131131 forks•107107 stars•00 issues•2727 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-ruby

  Public

  open-telemetry/opentelemetry-ruby’s past year of commit activity
  OpenTelemetry Ruby API & SDK, and related gems

  metricstelemetryhacktoberfest+ 4

  metricstelemetryhacktoberfestdistributed-tracingopentelemetryopentelemetry-rubyopentelemetry-api

  Ruby

  •

  Apache License 2.0

  •283283 forks•568568 stars•5757 issues•3434 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-injector

  Public
  Zig

  •

  Apache License 2.0

  •2727 forks•123123 stars•2020 issues•44 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-python-contrib

  Public
  OpenTelemetry instrumentation for Python modules

  Python

  •

  Apache License 2.0

  •932932 forks•1k1k stars•555555 issues•117117 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-operator

  Public
  Kubernetes Operator for OpenTelemetry Collector

  kubernetes-operatorhacktoberfestopentelemetry+ 1

  kubernetes-operatorhacktoberfestopentelemetryopentelemetry-collector

  Go

  •

  Apache License 2.0

  •612612 forks•1.7k1.7k stars•303303 issues•8383 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-collector-contrib

  Public
  Contrib repository for the OpenTelemetry Collector

  opentelemetryopen-telemetry

  opentelemetryopen-telemetry

  Go

  •

  Apache License 2.0

  •3.5k3.5k forks•4.6k4.6k stars•722722 issues•275275 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-go-contrib

  Public
  Collection of extensions for OpenTelemetry-Go.

  Go

  •

  Apache License 2.0

  •766766 forks•1.6k1.6k stars•124124 issues•7474 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-lambda

  Public
  Create your own Lambda Layer in each OTel language using this starter code. Add the Lambda Layer to your Lambda Function to get tracing with OpenTelemetry.

  aws-lambdaopentelemetry

  aws-lambdaopentelemetry

  Go

  •

  Apache License 2.0

  •235235 forks•426426 stars•3030 issues•1818 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-go

  Public
  OpenTelemetry Go API and SDK

  metricsloggingtracing+ 1

  metricsloggingtracingopentelemetry

  Go

  •

  Apache License 2.0

  •1.3k1.3k forks•6.4k6.4k stars•135135 issues•6969 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-ecosystem-explorer

  Public
  A repository for the OpenTelemetry Ecosystem Explorer, a tool to help users discover and learn about the various projects in the OpenTelemetry ecosystem.

  TypeScript

  •

  Apache License 2.0

  •1212 forks•88 stars•4141 issues•66 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry.io

  Public
  The OpenTelemetry website and documentation

  documentationopentelemetry

  documentationopentelemetry

  JavaScript

  •

  Creative Commons Attribution 4.0 International

  •1.8k1.8k forks•876876 stars•416416 issues•8989 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-demo

  Public

  open-telemetry/opentelemetry-demo’s past year of commit activity
  This repository contains the OpenTelemetry Astronomy Shop, a microservice-based distributed system intended to illustrate the implementation of OpenTelemetry in…

  demoprometheusjaeger+ 9

  demoprometheusjaegeropentelemetryopentelemetry-erlangopentelemetry-collectoropentelemetry-rustopentelemetry-pythonopentelemetry-javascriptopentelemetry-go+ 2

  TypeScript

  •

  Apache License 2.0

  •6.3k6.3k forks•3k3k stars•7474 issues•1111 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-configuration

  Public

  open-telemetry/opentelemetry-configuration’s past year of commit activity
  JSON Schema definitions for OpenTelemetry declarative configuration

  JavaScript

  •

  Apache License 2.0

  •3838 forks•8888 stars•3535 issues•44 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-go-build-tools

  Public
  Build tools for use by the Go API/SDK, the collector, and their associated contrib repositories

  Go

  •

  Apache License 2.0

  •6161 forks•5353 stars•1313 issues•55 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-dotnet

  Public

  open-telemetry/opentelemetry-dotnet’s past year of commit activity
  The OpenTelemetry .NET Client

  metricsloggingtelemetry+ 9

  metricsloggingtelemetrynetcoreasp-net-coreasp-netdistributed-tracingiloggeriloggerprovideropentelemetry+ 2

  C#

  •

  Apache License 2.0

  •887887 forks•3.7k3.7k stars•139139 issues•1616 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opamp-spec

  Public
  OpAMP Specification

  Makefile

  •

  Apache License 2.0

  •4949 forks•139139 stars•3636 issues•55 pull requests•Updated Apr 21, 2026Apr 21, 2026

• opentelemetry-php-distro

  Public

  open-telemetry/opentelemetry-php-distro’s past year of commit activity
  PHP

  •

  Apache License 2.0

  •22 forks•55 stars•22 issues•1111 pull requests•Updated Apr 21, 2026Apr 21, 2026