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Top 7 TypeScript distributed-tracing Projects
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signoz
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
Project mention: Best Open Source Monitoring Tools in 2026: 7 Self-Hosted Options Compared | dev.to | 2026-06-13SigNoz is a full-stack observability platform — traces, metrics, and logs in a single tool — built natively on OpenTelemetry. It's the open-source answer to Datadog and New Relic: unified observability without $70k/year licensing. The architecture uses ClickHouse for storage, which gives it strong query performance on high-cardinality data.
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An OpenTelemetry SDK is a library that runs in your application. It collects traces, metrics, and logs from your code and hands them off for export. You install it, configure it, and call its APIs (or rely on auto-instrumentation) to emit telemetry. For Python agents, the OpenTelemetry Python SDK is the foundation. For TypeScript, OpenTelemetry JavaScript serves the same purpose.
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openlit
Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.
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The OpenTelemetry ecosystem has three main components: instrumentation, the Collector, and exporters. Instrumentation is how you integrate OpenTelemetry into your application, using language-specific SDKs to create spans, record metrics, and propagate context. The Collector is an optional middleware component that receives, processes, and exports telemetry data to one or more backends. Exporters are the plugins that actually send your data to a specific destination, like Prometheus or Jaeger.
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Project mention: Agent Prism: React components for visualizing traces from AI agents | news.ycombinator.com | 2025-10-15
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript distributed-tracing discussion
TypeScript distributed-tracing related posts
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OpenTelemetry Events vs Logs - Key Differences Explained
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Is OpenTelemetry Production-Ready? A Practical Guide
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OpenTelemetry vs AWS X-Ray - Which Tracing Tool to Choose?
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OpenTelemetry vs. X-Ray - Choosing the Right Tracing Tool
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OpenTelemetry Collector vs Exporter - Key Differences Explained
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OpenTelemetry vs Dynatrace - Which Tool Is Right for You?
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Jun 2026
Index
What are some of the best open-source distributed-tracing projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | signoz | 27,287 |
| 2 | opentelemetry-js | 3,386 |
| 3 | openlit | 2,519 |
| 4 | jaeger-ui | 1,488 |
| 5 | Nestjs-OpenTelemetry | 390 |
| 6 | agent-prism | 357 |
| 7 | ApplicationInsights-node.js | 331 |
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