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Observability Instrumentation Libraries

Libraries and SDKs for instrumenting applications to generate telemetry data (metrics, traces, and logs) in a vendor-neutral way.

by The Linux Foundation

・

34 projects ・ Updated 14 Mar 2025

Only Linux Foundation projects

Project

Contributors

Organizations

Software value

OpenTelemetry

26,291

5,479

$324M

Prometheus

21,027

5,343

$39M

Sentry

10,141

2,858

$104M

Micrometer

2,576

567

$3.7M

ddtrace

2,351

589

$28M

dd-trace

2,342

706

$12M

Tracing

1,743

731

$1.8M

Dropwizard Metrics

1,353

395

$1.5M

New Relic Node.js Agent

1,089

360

$6.7M

Airbrake

1,036

384

$231K

Application Insights for Java

982

156

$2.3M

Kamon

904

251

$2.3M

Datadog PHP Tracer

846

260

$201M

Datadog .NET Tracer

761

137

$85M

prom-client

683

256

$277K

Elastic APM .NET Agent

640

124

$8.6M

Brave

618

194

$2.3M

New Relic Go Agent

508

166

$3.7M

New Relic Java Agent

494

$17M

Powertools for AWS Lambda (TypeScript)

489

108

$3.4M

AppSignal

341

153

$1.4M

metrics

341

147

$538K

Grafana Beyla

327

$74M

Micrometer Tracing

221

$669K

Spectator

138

$1.6M

Apache SkyWalking Java Agent

AppSignal for Elixir

ApplicationInsights-node.js

Datadog Browser SDK

OpenCensus

OpenTelemetry Operations for Go

Spring Cloud Sleuth

aws-xray-sdk-node

dd-trace-java

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