# OpenTelemetry - CNCF — developer ecosystem report

> OpenTelemetry makes robust, portable telemetry a built-in feature of cloud-native software.

- GitHub org: `open-telemetry`
- Category: dev_tool
- Overall score: 67.0 / 100
- Overall rank: #19
- Last refreshed: 2026-08-19

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 78.0 | #31 | ~22% |
| Education | 60.0 | #532 | ~18% |
| AI readiness | 39.0 | #342 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 57.0 | #62 | ~16% |
| Reach | 67.0 | #105 | ~18% |
| Momentum | 54.0 | #179 | ~14% |

## Links

- GitHub: https://github.com/open-telemetry
- Website: https://opentelemetry.io
- Docs: https://docs.opentelemetry.io

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 70,098 |
| Forks | 34,810 |
| Open issues | 11,174 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [opentelemetry-collector](https://github.com/open-telemetry/opentelemetry-collector) | 7,415 | Go | OpenTelemetry Collector |
| [opentelemetry-go](https://github.com/open-telemetry/opentelemetry-go) | 6,520 | Go | OpenTelemetry Go API and SDK |
| [opentelemetry-collector-contrib](https://github.com/open-telemetry/opentelemetry-collector-contrib) | 4,865 | Go | Contrib repository for the OpenTelemetry Collector |
| [opentelemetry-specification](https://github.com/open-telemetry/opentelemetry-specification) | 4,315 | Makefile | Specifications for OpenTelemetry |
| [opentelemetry-dotnet](https://github.com/open-telemetry/opentelemetry-dotnet) | 3,741 | C# | The OpenTelemetry .NET Client |
| [opentelemetry-js](https://github.com/open-telemetry/opentelemetry-js) | 3,443 | TypeScript | OpenTelemetry JavaScript Client |
| [opentelemetry-demo](https://github.com/open-telemetry/opentelemetry-demo) | 3,286 | TypeScript | This repository contains the OpenTelemetry Astronomy Shop, a microservice-based distributed system intended to illustrat |
| [opentelemetry-ebpf-profiler](https://github.com/open-telemetry/opentelemetry-ebpf-profiler) | 3,176 | Go | The production-scale datacenter profiler (C/C++, Go, Rust, Python, Java, NodeJS, .NET, PHP, Ruby, Perl, ...) |
| [opentelemetry-rust](https://github.com/open-telemetry/opentelemetry-rust) | 2,684 | Rust | The Rust OpenTelemetry implementation |
| [opentelemetry-java-instrumentation](https://github.com/open-telemetry/opentelemetry-java-instrumentation) | 2,607 | Java | OpenTelemetry auto-instrumentation and instrumentation libraries for Java |
| [opentelemetry-python](https://github.com/open-telemetry/opentelemetry-python) | 2,589 | Python | OpenTelemetry Python API and SDK  |
| [opentelemetry-java](https://github.com/open-telemetry/opentelemetry-java) | 2,444 | Java | OpenTelemetry Java SDK |

## Methodology

Scores are computed from public signals only (GitHub, package registries, docs sites, community platforms). Pillar definitions: https://www.smoower.com/docs.md

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