Repositories list

• 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•235235 issues•5353 pull requests•Updated Apr 17, 2026Apr 17, 2026

• otel-arrow

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

  Rust

  •

  Apache License 2.0

  •8787 forks•329329 stars•255255 issues•2020 pull requests•Updated Apr 17, 2026Apr 17, 2026

• weaver

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

  documentationpolicycodegen+ 3

  documentationpolicycodegenobservabilityopentelemetrysemconv

  Rust

  •

  Apache License 2.0

  •7575 forks•376376 stars•109109 issues•1919 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opamp-spec

  Public
  OpAMP Specification

  Makefile

  •

  Apache License 2.0

  •4848 forks•138138 stars•3636 issues•44 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-ebpf-profiler

  Public
  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•6767 issues•1919 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-proto-go

  Public
  Generated code for OpenTelemetry protobuf data model

  protobufotel

  protobufotel

  Makefile

  •

  Apache License 2.0

  •4040 forks•4141 stars•55 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• govanityurls

  Public
  Use a custom domain in your Go import path

  Go

  •

  Apache License 2.0

  •139139 forks•11 star•00 issues•22 pull requests•Updated Apr 17, 2026Apr 17, 2026

• sig-security

  Public
  Python

  •

  Apache License 2.0

  •1717 forks•1414 stars•4242 issues•22 pull requests•Updated Apr 17, 2026Apr 17, 2026

• sig-contributor-experience

  Public
  TODO

  Apache License 2.0

  •66 forks•22 stars•4141 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-go-contrib

  Public
  Collection of extensions for OpenTelemetry-Go.

  Go

  •

  Apache License 2.0

  •765765 forks•1.6k1.6k stars•126126 issues•8383 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-kotlin

  Public
  An implementation of the OpenTelemetry specification as a Kotlin Multiplatform Library

  javascriptandroidkotlin+ 7

  javascriptandroidkotliniosjvmkotlin-androidkotlin-libraryobservabilitykotlin-multiplatformopentelemetry

  Kotlin

  •

  Apache License 2.0

  •1515 forks•105105 stars•4444 issues•55 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-ruby-contrib

  Public
  Contrib Packages for the OpenTelemetry Ruby API and SDK implementation.

  rubytelemetrycncf+ 4

  rubytelemetrycncftracingdistributed-tracingopentelemetryopentelemetry-instrumentation

  Ruby

  •

  Apache License 2.0

  •246246 forks•120120 stars•7070 issues•5858 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-specification

  Public
  Specifications for OpenTelemetry

  opentelemetry

  opentelemetry

  Makefile

  •

  Apache License 2.0

  •975975 forks•4.2k4.2k stars•619619 issues•2828 pull requests•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-go-vanityurls

  Public
  Vanityurls config for go.opentelemetry.io subdomain

  Shell

  •

  Apache License 2.0

  •1414 forks•44 stars•66 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• opentelemetry-cpp

  Public
  The OpenTelemetry C++ Client

  apisdkmetrics+ 3

  apisdkmetricstelemetrydistributed-tracingopentelemetry

  C++

  •

  Apache License 2.0

  •546546 forks•1.2k1.2k stars•213213 issues•2121 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-java

  Public
  OpenTelemetry Java SDK

  opentelemetry

  opentelemetry

  Java

  •

  Apache License 2.0

  •962962 forks•2.4k2.4k stars•137137 issues•3232 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-configuration

  Public
  JSON Schema definitions for OpenTelemetry declarative configuration

  JavaScript

  •

  Apache License 2.0

  •3838 forks•8888 stars•3232 issues•55 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-python-contrib

  Public
  OpenTelemetry instrumentation for Python modules

  Python

  •

  Apache License 2.0

  •929929 forks•1k1k stars•555555 issues•117117 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-js-contrib

  Public
  OpenTelemetry instrumentation for JavaScript modules

  TypeScript

  •

  Apache License 2.0

  •652652 forks•902902 stars•189189 issues•4444 pull requests•Updated Apr 16, 2026Apr 16, 2026

• changelog.opentelemetry.io

  Public
  TypeScript

  •

  Apache License 2.0

  •66 forks•33 stars•66 issues•1010 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-ebpf-instrumentation

  Public
  C

  •

  Apache License 2.0

  •9292 forks•431431 stars•115115 issues•3030 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-php-distro

  Public
  PHP

  •

  Apache License 2.0

  •22 forks•11 star•11 issue•1111 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-php-contrib

  Public
  opentelemetry-php-contrib

  PHP

  •

  Apache License 2.0

  •131131 forks•107107 stars•00 issues•2727 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry.io

  Public
  The OpenTelemetry website and documentation

  documentationopentelemetry

  documentationopentelemetry

  JavaScript

  •

  Creative Commons Attribution 4.0 International

  •1.8k1.8k forks•874874 stars•413413 issues•7676 pull requests•Updated Apr 16, 2026Apr 16, 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

  •1111 forks•88 stars•3939 issues•44 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-dotnet-contrib

  Public
  This repository contains set of components extending functionality of the OpenTelemetry .NET SDK. Instrumentation libraries, exporters, and other components can…

  dotnetdotnet-coreopentelemetry

  dotnetdotnet-coreopentelemetry

  C#

  •

  Apache License 2.0

  •379379 forks•632632 stars•200200 issues•3333 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-go

  Public
  OpenTelemetry Go API and SDK

  metricsloggingtracing+ 1

  metricsloggingtracingopentelemetry

  Go

  •

  Apache License 2.0

  •1.3k1.3k forks•6.3k6.3k stars•139139 issues•6767 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-php

  Public
  The OpenTelemetry PHP Library

  phpmetricslogging+ 4

  phpmetricsloggingtracingopentelemetryopen-telemetryopentelemetry-php

  PHP

  •

  Apache License 2.0

  •222222 forks•889889 stars•6060 issues•2121 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-swift

  Public
  OpenTelemetry API for Swift

  Swift

  •

  Apache License 2.0

  •221221 forks•345345 stars•118118 issues•1515 pull requests•Updated Apr 16, 2026Apr 16, 2026

• opentelemetry-weaver-examples

  Public
  Rust

  •

  Apache License 2.0

  •66 forks•99 stars•11 issue•44 pull requests•Updated Apr 16, 2026Apr 16, 2026