Jaeger
Jaeger is an open-source distributed monitoring platform hosted within the Cloud Native Computing Foundation. The system created by Uber Technologies combines collector, query service, storage, and user interface components, working in line with OpenTelemetry SDK. It collects and stores trace data from applications with HTTP or gRPC via the OTLP protocol.
Jaeger
100jaegertracing · Observability / Datadog Alternatives
Common commercial products in this category: Datadog, New Relic, Dynatrace
- You view and examine the collected Trace data through the Query service Jaeger UI.
- You can send trace data from applications configured with OpenTelemetry SDK via HTTP or gRPC.
- By accessing the Jaeger interface, you can examine system flow and trace data.
- • High number of open issues (583)
- ↑ PositiveHacker News
Jaeger – A Distributed Tracing System
“@necubi I do not disagree with you about the value of tail-based sampling. It has been an item on Jaeger roadmap from day one, but never of high enough priority to implement it. We're planning to do a POC by the end of this year. Jaeger's agent-based architecture was…”
- • NeutralHacker News
Jaeger – A Distributed Tracing System
“Jaeger is just the concrete implementation. OpenTracing is what you should think about using when writing your application. That said, you could benefit from automatic instrumentation via OpenTracing framework integration libraries (JAX-RS, Servlets, ...). Or use the Java Agent.…”
Verified against README · Oct 26, 2026 · source