function: tracing
363 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Sentry Sentry is a developer-first error tracking and application performance monitoring platform that aggregates exceptions, traces, logs, replay… | 99 | 44624 | active |
| alibaba/arthas Arthas is Alibaba's open-source Java diagnostic tool for troubleshooting production issues without modifying code or restarting the JVM. It… | 98 | 37497 | active |
| langfuse/langfuse Langfuse is an open-source AI engineering platform for LLM observability, tracing, evaluation, prompt management, and metrics, deployable a… | 92 | 33767 | active |
| SigNoz/signoz SigNoz is an open-source, OpenTelemetry-native observability platform that unifies logs, metrics, traces, alerts, and dashboards in a singl… | 95 | 31930 | active |
| openai/openai-agents-python OpenAI Agents SDK is a lightweight Python framework for building multi-agent LLM workflows with agents, handoffs, tools, guardrails, sessio… | 82 | 28982 | active |
| apache/skywalking Apache SkyWalking is an open-source APM (Application Performance Monitoring) platform for microservices, cloud-native, and container-based … | 83 | 24931 | stable |
| Jaeger Jaeger is a CNCF-graduated, open-source distributed tracing platform originally created at Uber, used to monitor and troubleshoot request f… | 97 | 23145 | stable |
| BCC BPF Compiler Collection (BCC) is a toolkit for writing efficient eBPF-based kernel tracing and manipulation programs, with instrumentation … | 92 | 22637 | active |
| openobserve/openobserve OpenObserve is an open-source, cloud-native observability platform that unifies logs, metrics, traces, RUM, and LLM observability in a sing… | 93 | 21490 | active |
| fruitcake/laravel-debugbar A Laravel package that integrates PHP Debug Bar, rendering an in-browser toolbar with collectors for queries, routes, views, events, logs, … | 99 | 19280 | active |
| dianping/cat CAT is a real-time application monitoring (APM) platform developed in Java at Meituan-Dianping, providing performance metrics, health statu… | 23 | 18944 | active |
| openzipkin/zipkin Zipkin is a distributed tracing system that collects and stores timing data from instrumented applications to help troubleshoot latency in … | 86 | 17453 | stable |
| wolfpld/tracy Tracy is a real-time, nanosecond-resolution, hybrid frame and sampling profiler for games and other applications. It supports CPU and GPU p… | 99 | 16669 | stable |
| raga-ai-hub/RagaAI-Catalyst RagaAI Catalyst is a Python SDK for observability, monitoring, and evaluation of LLM and agentic AI applications, with tracing of agents, L… | 55 | 16150 | active |
| pinpoint-apm/pinpoint Pinpoint is an open-source Application Performance Management (APM) tool for large-scale distributed systems, inspired by Google's Dapper p… | 86 | 13861 | active |
| ccfos/nightingale Nightingale is an open-source monitoring and alerting platform focused on the alerting engine, alarm processing, and distribution, connecti… | 99 | 13272 | active |
| kubeshark/kubeshark Kubeshark is an eBPF-powered network observability tool for Kubernetes that indexes cluster-wide L4/L7 traffic with full Kubernetes context… | 98 | 12059 | active |
| grafana/pyroscope Grafana Pyroscope is an open-source continuous profiling platform and database that aggregates, stores, and queries profiling data (CPU, me… | 99 | 11641 | active |
| Arize-ai/phoenix Arize Phoenix is an open-source AI observability and evaluation platform for tracing, debugging, and evaluating LLM applications. It suppor… | 95 | 11205 | active |
| bpftrace/bpftrace bpftrace is a high-level tracing language and CLI tool for Linux that compiles one-liner scripts to eBPF bytecode via LLVM. It supports ker… | 95 | 10297 | active |
| highlight/highlight highlight.io is an open-source, full-stack monitoring platform combining session replay, error monitoring, logging, and distributed tracing… | 79 | 9370 | active |
| async-profiler/async-profiler A low-overhead sampling profiler for Java applications built on HotSpot's AsyncGetCallTrace API and Linux perf_events. It profiles CPU time… | 93 | 9124 | stable |
| getanteon/anteon Anteon (formerly Ddosify) is an open-source, eBPF-based Kubernetes monitoring and performance testing platform. It automatically generates … | 54 | 8523 | active |
| alibaba/transmittable-thread-local TransmittableThreadLocal (TTL) is a zero-dependency Java library providing an enhanced InheritableThreadLocal that transmits context values… | 62 | 8293 | stable |
| Sysdig Sysdig is a Linux system exploration and troubleshooting tool that captures system calls and OS events at the kernel level, with native sup… | 78 | 8289 | active |
| fluent/fluent-bit Fluent Bit is a fast, lightweight telemetry agent written in C that collects, processes, and forwards logs, metrics, and traces from any so… | 99 | 8062 | stable |
| coroot/coroot Coroot is an open-source, self-hosted observability and APM platform that uses eBPF to collect metrics, logs, traces, and continuous profil… | 94 | 7891 | active |
| gaogaotiantian/viztracer VizTracer is a low-overhead debugging and profiling tool that traces and visualizes Python code execution on an interactive timeline. It re… | 80 | 7725 | active |
| open-telemetry/opentelemetry-collector The OpenTelemetry Collector is a vendor-agnostic telemetry pipeline service that receives, processes, and exports traces, metrics, and logs… | 99 | 7455 | stable |
| traceloop/openllmetry OpenLLMetry is an open-source set of OpenTelemetry extensions and SDKs that provide observability (tracing, metrics, logging) for LLM and G… | 89 | 7402 | active |
| tokio-rs/tracing tracing is a Rust framework for instrumenting applications to emit structured, event-based diagnostic data, built around spans with duratio… | 86 | 6856 | stable |
| GreptimeTeam/greptimedb GreptimeDB is an open-source (Apache-2.0) observability database written in Rust that stores metrics, logs, and traces in a single columnar… | 97 | 6574 | active |
| open-telemetry/opentelemetry-go The official Go implementation of the OpenTelemetry API and SDK for instrumenting applications to generate traces, metrics, and logs. It ex… | 95 | 6526 | stable |
| pixie-io/pixie Pixie is an open-source, Kubernetes-native observability platform that uses eBPF to auto-instrument applications, collecting telemetry like… | 77 | 6521 | active |
| google/perfetto Perfetto is an open-source suite of SDKs, daemons, and tools for production-grade system profiling, app tracing, and trace analysis on clie… | 95 | 6393 | stable |
| Aspire Aspire is a multi-language, code-first toolchain from Microsoft for composing, running, debugging, and deploying distributed applications. … | 94 | 6266 | active |
| janestreet/magic-trace magic-trace is an OCaml CLI tool that uses Intel Processor Trace to capture high-resolution traces of every function call a process makes, … | 67 | 6249 | active |
| btraceio/btrace BTrace is a production-safe dynamic tracing tool for Java applications that attaches to live JVMs and injects tracing code via bytecode ins… | 67 | 5991 | active |
| itsgoingd/clockwork Clockwork is a PHP development tool that collects runtime data from your application - request data, performance metrics, logs, database qu… | 66 | 5945 | active |
| AgentOps-AI/agentops AgentOps is a Python SDK and observability platform for monitoring, debugging, and evaluating AI agents and LLM applications. It auto-instr… | 72 | 5797 | active |
| grafana/tempo Grafana Tempo is an open-source, high-scale distributed tracing backend written in Go that stores and queries traces with only object stora… | 98 | 5455 | stable |
| a597873885/webfunny_monitor Webfunny is a self-hostable full-stack observability platform combining frontend monitoring, APM backend monitoring, and business event ana… | 67 | 5301 | active |
| hengyoush/kyanos Kyanos is an eBPF-based command-line network analysis tool that captures and visualizes L7 requests/responses (HTTP, Redis, MySQL, Kafka, M… | 87 | 5066 | active |
| jazzband/django-silk django-silk (Silk) is a live profiling and inspection tool for the Django framework. It intercepts and stores HTTP requests and database qu… | 94 | 4991 | active |
| parca-dev/parca Parca is an open-source continuous profiling server that collects, stores, and queries CPU, memory, and I/O profiles over time, down to the… | 89 | 4951 | active |
| open-telemetry/opentelemetry-collector-contrib The contrib repository for the OpenTelemetry Collector, containing 200+ vendor-neutral components (receivers, processors, exporters) for re… | 99 | 4887 | active |
| micrometer-metrics/micrometer Micrometer is a vendor-neutral application observability facade for the JVM that provides a unified API for instrumenting code with dimensi… | 99 | 4885 | stable |
| microsoft/ProcMon-for-Linux A Linux reimagining of the classic Sysinternals Process Monitor (Procmon) tool, providing a convenient and efficient way for Linux develope… | 77 | 4729 | active |
| latitude-dev/latitude-llm Latitude is an open-source, MIT-licensed AI agent observability and monitoring platform that captures production agent traffic as traces an… | 86 | 4604 | active |
| aquasecurity/tracee Tracee is a Linux runtime security and forensics tool that uses eBPF to trace system calls, network activity, and file operations in real t… | 79 | 4593 | active |
| tokio-rs/console tokio-console is a diagnostics and debugging tool for asynchronous Rust programs built on Tokio and tracing. It streams task-level diagnost… | 82 | 4592 | active |
| cilium/hubble Hubble is a fully distributed network, service, and security observability platform for Kubernetes, built on top of Cilium and eBPF. It pro… | 91 | 4315 | active |
| uptrace/uptrace Uptrace is an open-source Application Performance Monitoring (APM) platform that collects and visualizes OpenTelemetry traces, metrics, and… | 98 | 4270 | active |
| deepflowio/deepflow DeepFlow is an open-source eBPF-based observability platform providing zero-code distributed tracing, metrics, request logs, and continuous… | 98 | 4244 | active |
| KDE/heaptrack Heaptrack is a heap memory profiler for Linux that traces every memory allocation and annotates it with a stack trace. It ships with comman… | 66 | 4154 | active |
| HyperDbg/HyperDbg HyperDbg is an open-source, hypervisor-assisted debugger for Windows (with Linux support in development) that uses Intel VT-x and EPT to de… | 94 | 4012 | active |
| origin-brain/deepops XO (xobserve) is a programmable observability and data visualization platform for developers, positioned as an alternative to Grafana. It s… | 27 | 3966 | active |
| MiniProfiler/rack-mini-profiler Rack middleware that displays a speed badge on every HTML page with detailed performance profiling for Ruby web apps. It provides database … | 74 | 3905 | active |
| cilium/pwru pwru is an eBPF-based CLI tool for tracing network packets through the Linux kernel with fine-grained filtering. It helps debug connectivit… | 89 | 3813 | active |
| open-telemetry/opentelemetry-dotnet The official OpenTelemetry SDK and API implementation for .NET, providing vendor-neutral instrumentation for traces, metrics, and logs. It … | 95 | 3743 | stable |
| google/tarpc tarpc is an RPC framework for Rust focused on ease of use, letting you define services directly in code without a separate schema language … | 76 | 3736 | active |
| openai/openai-agents-js A lightweight, provider-agnostic TypeScript/JavaScript framework from OpenAI for building multi-agent LLM workflows, including text agents,… | 81 | 3714 | active |
| Datadog Agent The Datadog Agent is the open-source agent that collects metrics, logs, traces, and profiles from hosts, containers, and cloud services and… | 95 | 3713 | stable |
| odigos-io/odigos Odigos is an open-source distributed tracing and observability platform for Kubernetes and VMs that instruments applications automatically … | 95 | 3676 | active |
| kiali/kiali Kiali is an observability console for the Istio service mesh, providing topology visualization, health monitoring, configuration validation… | 99 | 3633 | active |
| LinShunKang/MyPerf4J MyPerf4J is a high-performance Java application performance monitoring (APM) tool implemented as a non-intrusive JavaAgent using ASM byteco… | 72 | 3559 | active |
| microsoft/ebpf-for-windows eBPF for Windows is an MIT-licensed implementation of the eBPF runtime that runs on top of the Windows kernel, letting developers reuse fam… | 86 | 3553 | active |
| grafana/alloy Grafana Alloy is an open source OpenTelemetry Collector distribution with built-in Prometheus pipelines that collects, processes, and expor… | 92 | 3471 | active |
| namhyung/uftrace uftrace is a function call graph tracer for C, C++, Rust, and Python programs that records function entry/exit with timestamps, arguments, … | 79 | 3460 | active |
| open-telemetry/opentelemetry-js The official OpenTelemetry JavaScript API and SDK for instrumenting Node.js and browser applications to generate distributed traces, metric… | 93 | 3446 | active |
| yandex/perforator Perforator is a cluster-wide continuous profiling tool by Yandex that collects CPU profiles from production servers using eBPF with negligi… | 78 | 3417 | active |
| Celtoys/Remotery Remotery is a realtime CPU/GPU profiler implemented in a single C file, with a remote web-browser viewer for inspecting sampled traces. It … | 23 | 3313 | stable |
| open-telemetry/opentelemetry-demo The OpenTelemetry Astronomy Shop, a microservice-based distributed e-commerce demo system illustrating OpenTelemetry instrumentation across… | 97 | 3303 | active |
| nuxt/devtools Nuxt DevTools is a visual developer tooling suite for the Nuxt framework, shipped as a built-in module that provides in-browser panels for … | 99 | 3296 | active |
| oracle/visualvm VisualVM is an all-in-one visual troubleshooting and profiling tool for Java applications, integrating command-line JDK tools with lightwei… | 78 | 3262 | stable |
| dotnet/extensions A suite of .NET libraries from Microsoft providing production-ready capabilities such as resilience pipelines, telemetry, diagnostics, comp… | 98 | 3202 | active |
| lmnr-ai/lmnr Laminar is an open-source, OpenTelemetry-native observability platform purpose-built for AI agents, offering tracing, plain-language failur… | 90 | 3198 | active |
| open-telemetry/opentelemetry-ebpf-profiler A whole-system, cross-language continuous profiler for Linux built on eBPF, part of the OpenTelemetry project. It profiles all processes on… | 69 | 3176 | active |
| microsoft/retina Retina is an open-source, eBPF-based Kubernetes network observability platform that collects customizable telemetry, Prometheus metrics, an… | 92 | 3166 | active |
| liaohch3/claude-tap claude-tap is a local proxy and trace viewer for AI coding agents like Claude Code, Codex CLI, and Gemini CLI. It intercepts real API traff… | 77 | 3125 | active |
| subtrace/subtrace Subtrace is a CLI tool that lets developers inspect HTTP requests hitting their backend servers by wrapping any command with `subtrace run`… | 58 | 3095 | active |
| facebook/stetho Stetho is a debug bridge for Android applications that exposes app internals to Chrome Developer Tools via chrome://inspect. It supports ne… | 10 | 12655 | maintenance |
| javamelody/javamelody JavaMelody is an open-source library for monitoring Java and Java EE applications in QA and production environments. It collects and visual… | 92 | 3039 | active |
| MiniProfiler/dotnet MiniProfiler is a lightweight profiling library and UI for .NET, ASP.NET, and ASP.NET Core applications. It shows where time is spent in re… | 49 | 3009 | stable |
| M-cheng-web/web-tracing A cross-platform JavaScript monitoring SDK for frontend projects that provides tracking of user behavior, performance, errors, requests, re… | 66 | 2949 | active |
| Tencent/matrix Matrix is a plugin-style, non-invasive Application Performance Management (APM) system developed by WeChat for monitoring, locating, and an… | 23 | 12036 | maintenance |
| inspektor-gadget/inspektor-gadget Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBP… | 99 | 2913 | active |
| libbpf libbpf is the official stand-alone C library for loading and managing BPF programs and maps on Linux, developed upstream in the bpf-next ke… | 89 | 2750 | stable |
| openlit/openlit OpenLIT is an open-source AI engineering platform providing OpenTelemetry-native LLM observability, evaluations, guardrails, prompt managem… | 89 | 2718 | active |
| open-telemetry/opentelemetry-rust The official Rust implementation of the OpenTelemetry APIs and SDKs for instrumenting applications to emit traces, metrics, and logs. It ex… | 92 | 2689 | active |
| strace/strace strace is a diagnostic, debugging, and instructional userspace utility for Linux that traces system calls, signal deliveries, and process s… | 94 | 2677 | stable |
| org2AI/ORG2 ORG-2 is a native desktop application (Rust + Tauri) that acts as a system of record for AI coding agents, running a built-in harness plus … | 80 | 2671 | active |
| cloudflare/ebpf_exporter A Prometheus exporter that runs custom eBPF programs to expose Linux kernel metrics not otherwise accessible, built on libbpf. It also supp… | 79 | 2639 | active |
| open-telemetry/opentelemetry-java-instrumentation OpenTelemetry auto-instrumentation for Java, providing a Java agent JAR that attaches to any Java 8+ application and injects bytecode to ca… | 99 | 2612 | active |
| brendangregg/perf-tools A collection of shell-based Linux performance analysis tools built on ftrace and perf_events, created by Brendan Gregg. Each tool does one … | 23 | 10460 | maintenance |
| open-telemetry/opentelemetry-python The official OpenTelemetry API and SDK for Python, providing vendor-neutral instrumentation for distributed traces, metrics, and logs. It l… | 97 | 2603 | stable |
| matthart1983/netwatch NetWatch is a zero-config terminal TUI for real-time network diagnostics, written in Rust and distributed as a single static binary. It sho… | 77 | 2590 | active |
| GameTechDev/PresentMon PresentMon is a set of tools for capturing and analyzing the performance characteristics of graphics applications on Windows, tracing frame… | 88 | 2537 | active |
| open-telemetry/opentelemetry-java The official OpenTelemetry Java SDK, providing the Java implementation of the OpenTelemetry API for recording traces, metrics, and logs, pl… | 98 | 2447 | active |
| openzipkin/brave Brave is a dependency-free Java distributed tracing library that instruments production services to gather timing data, propagate trace con… | 76 | 2405 | stable |
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