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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.

The Linux Foundation

by The Linux Foundation

34 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
OpenTelemetry
26,219
5,464
$320M
Prometheus
21,011
5,338
$39M
Sentry
10,128
2,855
$104M
Micrometer
2,573
565
$3.7M
ddtrace
2,342
589
$28M
dd-trace
2,336
707
$12M
Tracing
1,742
729
$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
155
$2.3M
Kamon
904
251
$2.3M
Datadog PHP Tracer
843
262
$201M
Datadog .NET Tracer
760
138
$83M
prom-client
682
256
$277K
Elastic APM .NET Agent
639
124
$8.6M
Brave
618
194
$2.3M
New Relic Go Agent
508
166
$3.7M
New Relic Java Agent
494
84
$16M
Powertools for AWS Lambda (TypeScript)
489
108
$3.4M
metrics
341
147
$535K
AppSignal
340
152
$1.4M
Grafana Beyla
327
98
$74M
Micrometer Tracing
221
50
$669K
Spectator
137
31
$1.6M
Apache SkyWalking Java Agent
0
0
$0
AppSignal for Elixir
0
0
$0
ApplicationInsights-node.js
0
0
$0
Datadog Browser SDK
0
0
$0
OpenCensus
0
0
$0
OpenTelemetry Operations for Go
0
0
$0
Spring Cloud Sleuth
0
0
$0
aws-xray-sdk-node
0
0
$0
dd-trace-java
0
0
$0
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