Repositories list

• otel-arrow

  Public

  open-telemetry/otel-arrow’s past year of commit activity
  Protocol and libraries for sending and receiving OpenTelemetry data using Apache Arrow

  Rust

  •

  Apache License 2.0

  •8787 forks•331331 stars•258258 issues•2121 pull requests•Updated Apr 20, 2026Apr 20, 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•120120 stars•7171 issues•4949 pull requests•Updated Apr 20, 2026Apr 20, 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 20, 2026Apr 20, 2026

• opentelemetry-go-contrib

  Public

  open-telemetry/opentelemetry-go-contrib’s past year of commit activity
  Collection of extensions for OpenTelemetry-Go.

  Go

  •

  Apache License 2.0

  •765765 forks•1.6k1.6k stars•123123 issues•7777 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-browser

  Public

  open-telemetry/opentelemetry-browser’s past year of commit activity
  OpenTelemetry Browser SDK and instrumentation

  TypeScript

  •

  Apache License 2.0

  •1414 forks•3232 stars•2727 issues•1111 pull requests•Updated Apr 20, 2026Apr 20, 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•633633 issues•9191 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-ebpf-instrumentation

  Public

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

  •

  Apache License 2.0

  •9393 forks•435435 stars•117117 issues•2525 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-php-contrib

  Public

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

  PHP

  •

  Apache License 2.0

  •131131 forks•107107 stars•00 issues•2727 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-dotnet-instrumentation

  Public

  open-telemetry/opentelemetry-dotnet-instrumentation’s past year of commit activity
  OpenTelemetry .NET Automatic Instrumentation

  C++

  •

  Apache License 2.0

  •132132 forks•453453 stars•9191 issues•1212 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-php

  Public

  open-telemetry/opentelemetry-php’s past year of commit activity
  The OpenTelemetry PHP Library

  phpmetricslogging+ 4

  phpmetricsloggingtracingopentelemetryopen-telemetryopentelemetry-php

  PHP

  •

  Apache License 2.0

  •223223 forks•889889 stars•6060 issues•2222 pull requests•Updated Apr 20, 2026Apr 20, 2026

• changelog.opentelemetry.io

  Public

  open-telemetry/changelog.opentelemetry.io’s past year of commit activity
  TypeScript

  •

  Apache License 2.0

  •66 forks•33 stars•66 issues•1010 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-go

  Public

  open-telemetry/opentelemetry-go’s past year of commit activity
  OpenTelemetry Go API and SDK

  metricsloggingtracing+ 1

  metricsloggingtracingopentelemetry

  Go

  •

  Apache License 2.0

  •1.3k1.3k forks•6.4k6.4k stars•139139 issues•7373 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-proto-go

  Public

  open-telemetry/opentelemetry-proto-go’s past year of commit activity
  Generated code for OpenTelemetry protobuf data model

  protobufotel

  protobufotel

  Makefile

  •

  Apache License 2.0

  •4040 forks•4141 stars•55 issues•33 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-python

  Public

  open-telemetry/opentelemetry-python’s past year of commit activity
  OpenTelemetry Python API and SDK

  pythonsdkmetrics+ 5

  pythonsdkmetricsloggingdistributed-tracingtracecontextopentelemetrycorrelationcontext

  Python

  •

  Apache License 2.0

  •861861 forks•2.4k2.4k stars•365365 issues•6666 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-java-instrumentation

  Public

  open-telemetry/opentelemetry-java-instrumentation’s past year of commit activity
  OpenTelemetry auto-instrumentation and instrumentation libraries for Java

  Java

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  Apache License 2.0

  •1.1k1.1k forks•2.5k2.5k stars•233233 issues•6060 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry.io

  Public

  open-telemetry/opentelemetry.io’s past year of commit activity
  The OpenTelemetry website and documentation

  documentationopentelemetry

  documentationopentelemetry

  JavaScript

  •

  Creative Commons Attribution 4.0 International

  •1.8k1.8k forks•875875 stars•414414 issues•8585 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-collector-contrib

  Public

  open-telemetry/opentelemetry-collector-contrib’s past year of commit activity
  Contrib repository for the OpenTelemetry Collector

  opentelemetryopen-telemetry

  opentelemetryopen-telemetry

  Go

  •

  Apache License 2.0

  •3.5k3.5k forks•4.6k4.6k stars•724724 issues•267267 pull requests•Updated Apr 20, 2026Apr 20, 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 20, 2026Apr 20, 2026

• opentelemetry-lambda

  Public

  open-telemetry/opentelemetry-lambda’s past year of commit activity
  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

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  Apache License 2.0

  •234234 forks•426426 stars•3030 issues•1818 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-go-build-tools

  Public

  open-telemetry/opentelemetry-go-build-tools’s past year of commit activity
  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•77 pull requests•Updated Apr 20, 2026Apr 20, 2026

• 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•209209 issues•2222 pull requests•Updated Apr 20, 2026Apr 20, 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•189189 issues•4545 pull requests•Updated Apr 20, 2026Apr 20, 2026

• semantic-conventions

  Public

  open-telemetry/semantic-conventions’s past year of commit activity
  Defines standards for generating consistent, accessible telemetry across a variety of domains

  Open Policy Agent

  •

  Apache License 2.0

  •346346 forks•557557 stars•735735 issues•4141 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-operator

  Public

  open-telemetry/opentelemetry-operator’s past year of commit activity
  Kubernetes Operator for OpenTelemetry Collector

  kubernetes-operatorhacktoberfestopentelemetry+ 1

  kubernetes-operatorhacktoberfestopentelemetryopentelemetry-collector

  Go

  •

  Apache License 2.0

  •610610 forks•1.7k1.7k stars•303303 issues•8282 pull requests•Updated Apr 20, 2026Apr 20, 2026

• weaver

  Public

  open-telemetry/weaver’s past year of commit activity
  OTel Weaver lets you easily develop, validate, document, and deploy semantic conventions

  documentationpolicycodegen+ 3

  documentationpolicycodegenobservabilityopentelemetrysemconv

  Rust

  •

  Apache License 2.0

  •7575 forks•378378 stars•107107 issues•2121 pull requests•Updated Apr 20, 2026Apr 20, 2026

• sig-profiling

  Public

  open-telemetry/sig-profiling’s past year of commit activity
  Profiling SIG utilities

  opentelemetry

  opentelemetry

  Go

  •

  Apache License 2.0

  •88 forks•44 stars•55 issues•33 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-weaver-examples

  Public

  open-telemetry/opentelemetry-weaver-examples’s past year of commit activity
  Rust

  •

  Apache License 2.0

  •66 forks•99 stars•11 issue•66 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-specification

  Public

  open-telemetry/opentelemetry-specification’s past year of commit activity
  Specifications for OpenTelemetry

  opentelemetry

  opentelemetry

  Makefile

  •

  Apache License 2.0

  •974974 forks•4.2k4.2k stars•621621 issues•2626 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-java

  Public

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

  opentelemetry

  opentelemetry

  Java

  •

  Apache License 2.0

  •964964 forks•2.4k2.4k stars•137137 issues•3535 pull requests•Updated Apr 20, 2026Apr 20, 2026

• opentelemetry-injector

  Public

  open-telemetry/opentelemetry-injector’s past year of commit activity
  Zig

  •

  Apache License 2.0

  •2727 forks•122122 stars•2020 issues•55 pull requests•Updated Apr 20, 2026Apr 20, 2026