Open-source tracing software
367 open-source libraries, tools and applications tagged tracing, ranked by how closely tracing is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
367 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| jvm-profiling-tools/perf-map-agent A Java agent (written in C with a Java bootstrap) that generates /tmp/perf-<pid>.map symbol files for JIT-compiled methods so the Linux per… | 32 | 1701 | maintenance |
| Qihoo360/phptrace phptrace is a low-overhead tracing and troubleshooting tool for PHP, consisting of a PHP extension and a CLI binary. It traces function cal… | 23 | 1662 | maintenance |
| google/UIforETW UIforETW is a Windows GUI application for recording and managing ETW (Event Tracing for Windows) traces, making deep performance investigat… | 10 | 1662 | maintenance |
| twitter/rezolus Rezolus is a Rust-based systems performance telemetry agent that collects metrics from procfs/sysfs, perf_events, and eBPF. It oversamples … | 23 | 1600 | maintenance |
| MTHawkeye MTHawkeye is a plugin-based profiling and debugging library for iOS apps, developed at Meitu, covering memory leaks, main-thread stalls, ne… | 23 | 1504 | maintenance |
| Takin Takin is a Java-based open-source full-link performance testing platform for online and test environments, especially for microservices arc… | 23 | 1321 | maintenance |
| Nanoscope Nanoscope is an extremely accurate Android method tracing tool from Uber, implemented partly as a fork of AOSP to achieve ~20 nanoseconds o… | 23 | 1275 | maintenance |
| rakyll/gom gom is a lightweight terminal-based visual interface for exploring runtime profiling data from Go programs. It connects to an HTTP endpoint… | 10 | 1275 | maintenance |
| jvm-profiling-tools/honest-profiler Honest Profiler is a sampling profiler for the JVM implemented as a native agent, designed to avoid the safepoint sample bias that skews ot… | 32 | 1252 | maintenance |
| sofastack/sofa-tracer SOFATracer is a Java distributed tracing component based on the OpenTracing specification, part of the SOFAStack ecosystem. It records netw… | 58 | 1127 | maintenance |
| OpenTracing Go OpenTracing is a vendor-neutral API standard for distributed tracing, with this repo being the Go implementation. It has been deprecated in… | 10 | 3478 | abandoned |
| midwayjs/pandora Pandora.js is a TypeScript-based Node.js application manager from Alibaba that provides process management, metrics collection, and OpenTra… | 10 | 3053 | abandoned |
| google/tracing-framework A set of JavaScript libraries, tools, and visualizers from Google for instrumenting, tracing, and analyzing complex web applications. It he… | 10 | 2623 | abandoned |
| Glimpse Glimpse is an open-source diagnostics platform for ASP.NET web applications that inspects requests in real time, profiling server-side acti… | 10 | 2310 | abandoned |
| OpenCensus OpenCensus Go is a Go toolkit for collecting application performance data, providing tags, stats/metrics collection, and distributed tracin… | 10 | 2041 | abandoned |
| grafana-cold-storage/phlare Grafana Phlare was a horizontally-scalable, highly-available, multi-tenant continuous profiling aggregation system written in Go, designed … | 10 | 2022 | abandoned |
| grafana-cold-storage/agent Grafana Agent is a vendor-neutral, programmable telemetry collector built as an OpenTelemetry Collector distribution with Terraform-inspire… | 10 | 1748 | abandoned |
| stagemonitor/stagemonitor Stagemonitor is an open-source application performance monitoring agent for Java server applications that integrates with Elasticsearch, Gr… | 10 | 1694 | abandoned |
| openresty/openresty-systemtap-toolkit A collection of SystemTap-based real-time analysis and diagnostics tools for OpenResty, NGINX, LuaJIT, and ngx_lua. It provides scripts for… | 32 | 1668 | abandoned |
| tideways/php-xhprof-extension A PHP C extension (tideways_xhprof) providing hierarchical, XHProf-compatible callgraph profiling for PHP 7+ with low overhead. The project… | 10 | 1621 | abandoned |
| runsidekick/sidekick Sidekick was a live debugging and observability service that let developers collect tracepoint and logpoint data from running applications … | 32 | 1599 | abandoned |
| facebookarchive/profilo Profilo is an Android library for collecting performance traces from production builds of an app. It was developed by Facebook and is now a… | 10 | 1592 | abandoned |
| ValveSoftware/vogl A tool for capturing and replaying OpenGL calls from applications, primarily aimed at debugging graphics issues in games. It records OpenGL… | 32 | 1432 | abandoned |
| timescale/promscale Promscale is a unified metrics and traces observability backend for Prometheus, Jaeger, and OpenTelemetry, built on PostgreSQL and Timescal… | 10 | 1311 | abandoned |
| opstrace/opstrace Opstrace is an open-source observability distribution that deploys a scalable metrics, logs, and tracing stack (built on Cortex and Loki) o… | 10 | 1210 | abandoned |
| dtrace4linux/linux A Linux port of Sun's DTrace dynamic tracing framework, delivered as a dynamically loadable kernel module plus userland tools. It brings DT… | 32 | 1206 | abandoned |
| c4milo/node-webkit-agent A Node.js library implementing the Chrome Developer Tools protocol so you can remotely profile and debug Node applications using the WebKit… | 32 | 1092 | abandoned |
| spy-js/spy-js spy-js is a JavaScript tracing, debugging, and profiling tool developed by JetBrains, bundled with WebStorm and IntelliJ IDEA Ultimate and … | 32 | 1074 | abandoned |
| SamSaffron/MiniProfiler MiniProfiler is a simple but effective mini-profiler for ASP.NET MVC, ASP.NET, and Ruby, providing ADO.NET query profiling and lightweight … | 32 | 1043 | abandoned |
| Agno Agno is a Python‑based SDK and runtime for building, deploying, and managing AI agent platforms. It provides a full stack—from agent defini… | 95 | 42675 | active |
| Apache Dubbo Apache Dubbo is a high-performance RPC and microservice framework for Java (with multi-language SDKs) that provides service discovery, traf… | 86 | 41580 | stable |
| Envoy Envoy is an open‑source, high‑performance edge and service proxy written in C++. It provides dynamic routing, load‑balancing, TLS terminati… | 95 | 29082 | active |
| Envoy Envoy is a CNCF-hosted, high-performance C++ edge, middle, and service proxy designed for cloud-native and AI-native applications. It provi… | 95 | 29082 | stable |
| MLflow MLflow is an open source AI engineering platform for agents, LLMs, and traditional ML models, providing experiment tracking, model registry… | 100 | 28441 | stable |
| Go kit Go kit is a Go library that provides a collection of packages and best‑practice patterns for building robust microservices. It offers tools… | 23 | 27419 | active |
| Kratos Kratos is a lightweight Go framework for building cloud-native microservices, offering APIs for transport (HTTP/gRPC), middleware, registry… | 88 | 25972 | active |
| Cilium Cilium is an open-source networking, security, and observability solution for Kubernetes and container workloads built on an eBPF-based dat… | 94 | 25622 | stable |
| Opik Opik is an open-source LLM observability and evaluation platform by Comet for tracing, evaluating, and monitoring LLM applications, RAG pip… | 93 | 22726 | active |
| Effect Effect is a TypeScript library and ecosystem for building production-grade, type-safe applications, centered on the Effect type that encode… | 95 | 17323 | stable |
| Trigger.dev Trigger.dev is an open-source TypeScript platform for building and deploying durable background jobs, long-running AI workflows, and AI age… | 94 | 16478 | active |
| Dagger Dagger is a programmable automation engine for building, testing, and shipping software, replacing YAML pipelines with real code via SDKs i… | 94 | 16334 | active |
| GoFrame GoFrame is a modular, high-performance full-stack development framework for Go, comparable to Laravel or Spring Boot, offering batteries-in… | 97 | 13287 | active |
| hydra-db/hydradb HydraDB is an object-store-native distributed graph database written in Rust, using S3-compatible storage as the durable source of truth wi… | 69 | 13045 | active |
| Encore Encore is an open-source infrastructure SDK and backend framework for TypeScript and Go that lets developers declare resources like databas… | 95 | 12446 | active |
| quic-go/quic-go quic-go is a production-ready, pure Go implementation of the QUIC transport protocol (RFC 9000/9001/9002) with support for HTTP/3, datagram… | 98 | 11794 | stable |
| quickwit-oss/quickwit Quickwit is an open-source, cloud-native search engine written in Rust and powered by Tantivy, designed to run sub-second search and analyt… | 93 | 11676 | active |
| hyperdxio/hyperdx HyperDX is an open-source observability platform that unifies session replays, logs, metrics, traces, and errors in a single interface, bui… | 92 | 9949 | active |
| Apache ShenYu Apache ShenYu is a Java-native, asynchronous, high-performance API gateway for service proxying, protocol conversion, and API governance ac… | 86 | 8896 | stable |
| twitter/finagle Finagle is an extensible, fault-tolerant, protocol-agnostic RPC system for the JVM, written in Scala with idiomatic APIs for both Scala and… | 63 | 8867 | stable |
| cloudwego/kitex Kitex is a high-performance, strongly extensible Go RPC framework for building microservices, developed by ByteDance's CloudWeGo team. It i… | 99 | 8050 | stable |
| cilium/ebpf ebpf-go is a pure-Go library for loading, modifying, and attaching eBPF programs to hooks in the Linux kernel, with no dependency on libbpf… | 89 | 7998 | stable |
| OneUptime OneUptime is a complete open-source monitoring and observability platform combining uptime monitoring, incident management, on-call schedul… | 96 | 7752 | active |
| Nasiko-Labs/nasiko Nasiko is a developer control plane for AI agents, built in Rust, that lets teams deploy, route, secure, and observe A2A-speaking agents wi… | 57 | 7324 | active |
| katanemo/plano Plano is an AI-native proxy server and data plane for agentic applications, built on Envoy by its core contributors. It centralizes agent r… | 86 | 7092 | active |
| hyperf/hyperf Hyperf is a high-performance PHP coroutine framework built on Swoole and Swow, designed for building microservices, middleware, web systems… | 99 | 6905 | active |
| FullStackHero .NET Starter Kit A production-grade .NET 10 starter kit template combining a modular-monolith Web API (vertical slice architecture) with two React 19 front-… | 82 | 6814 | active |
| gRPC Prometheus monitoring A Go library of gRPC middleware (interceptors) providing chained, ready-to-use implementations for auth, logging, tracing, metrics, retries… | 94 | 6760 | active |
| Micronaut Micronaut is a modern, JVM-based full-stack framework for building modular, easily testable applications and microservices in Java, Kotlin,… | 95 | 6437 | stable |
| Zabbix Zabbix is an enterprise-class open-source distributed monitoring and observability platform for tracking the performance and availability o… | 76 | 6435 | stable |
| moleculerjs/moleculer Moleculer is a fast, progressive microservices framework for Node.js that helps build efficient, reliable, and scalable distributed service… | 90 | 6376 | stable |
| Helicone Helicone is an open-source LLM observability platform and AI gateway that logs, monitors, and analyzes LLM API requests with a one-line int… | 78 | 6224 | active |
| Go kit Go kit is a collection of Go packages that provide a comprehensive toolkit for building robust, maintainable microservices (or elegant mono… | 23 | 27419 | maintenance |
| JanusGraph JanusGraph is an open-source, distributed graph database optimized for storing and querying graphs with billions of vertices and edges acro… | 79 | 5857 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| coze-dev/coze-loop Coze Loop is an open-source, self-hostable platform for full-lifecycle AI agent development, offering prompt engineering with a visual play… | 72 | 5764 | active |
| Discovery Nepxion Discovery is a cloud-native microservice governance framework for Spring Cloud and Spring Cloud Alibaba. It provides blue-green and… | 46 | 5752 | active |
| apache/hbase Apache HBase is an open-source, distributed, versioned, column-oriented NoSQL database modeled after Google Bigtable, running on top of Apa… | 91 | 5560 | stable |
| graphql-ruby graphql-ruby is a Ruby implementation of the GraphQL specification for building GraphQL server APIs in Ruby and Rails applications. It prov… | 68 | 5445 | stable |
| looplj/axonhub AxonHub is an open-source AI gateway written in Go that lets any SDK call 100+ LLMs through a unified API. It provides built-in failover, l… | 81 | 5375 | active |
| AG2 FastStream is an asynchronous Python framework for building event-driven applications on top of message brokers like Kafka, RabbitMQ, NATS,… | 98 | 5361 | active |
| Mikaelemmmm/go-zero-looklook A full-stack microservices reference project built on the go-zero framework in Go, demonstrating best practices with API/RPC/MQ services an… | 66 | 5205 | active |
| cilium/tetragon Tetragon is an eBPF-based security observability and runtime enforcement tool from the Cilium project. It monitors process execution, sysca… | 88 | 5067 | active |
| LangWatch LangWatch is an open-source LLMOps platform for LLM evaluation, AI agent testing, tracing, and production observability. It combines agent … | 91 | 4983 | active |
| Apache Dubbo Apache Dubbo-go is the official Go implementation of the Apache Dubbo microservice framework, providing high-performance RPC with service d… | 95 | 4964 | active |
| Aya Aya is a Rust library for building and loading eBPF programs on Linux, implemented entirely in Rust without libbpf or BCC. It provides BTF-… | 93 | 4846 | active |
| graphql-go A GraphQL server library for Go focused on ease of use, with schema parsing, type-checked resolvers, and an HTTP relay handler. It supports… | 98 | 4754 | active |
| IBM/mcp-context-forge ContextForge is an open-source AI gateway, registry, and proxy from IBM that federates MCP, A2A, and REST/gRPC APIs behind a unified endpoi… | 86 | 4646 | active |
| JetBrains/koog Koog is a JetBrains-built Kotlin/Java framework for creating fault-tolerant, enterprise-ready AI agents on the JVM, with multiplatform depl… | 86 | 4617 | active |
| Jupiter Jupiter is a governance-oriented microservice framework for Go, developed and used in production at Douyu. It bundles web/gRPC servers, con… | 72 | 4567 | active |
| pydantic/logfire Pydantic Logfire is an AI observability platform built on OpenTelemetry that traces LLM calls, agent runs, and application telemetry in one… | 87 | 4512 | active |
| mosn/mosn MOSN (Modular Open Smart Network) is a cloud-native network proxy platform written in Go, open-sourced by Ant Group and battle-tested on hu… | 61 | 4508 | stable |
| archestra-ai/archestra Archestra is an open-source, self-hosted enterprise AI platform combining an agentic chat UI, agent runtime, LLM gateway/proxy, MCP gateway… | 82 | 4380 | active |
| predibase/lorax LoRAX is a multi-LoRA inference server that serves thousands of fine-tuned LLM adapters on a single GPU by sharing a common base model. It … | 60 | 3835 | active |
| truera/trulens TruLens is a Python library for evaluating and tracking LLM-based applications and AI agents. It provides OpenTelemetry-native tracing of e… | 99 | 3601 | active |
| ascending-llc/jarvis-registry Jarvis Registry is an open-source, enterprise-grade MCP and A2A agent gateway and workflow orchestration platform that gives AI copilots an… | 84 | 3531 | active |
| zalando/skipper Skipper is an HTTP router and reverse proxy written in Go, designed for service composition with support for hundreds of thousands of dynam… | 94 | 3332 | stable |
| Powertools for AWS Lambda Powertools for AWS Lambda is a developer toolkit (available for Python, TypeScript, Java, and .NET) that implements serverless best practic… | 100 | 3294 | stable |
| microsurging/surging Surging is a distributed microservice engine for .NET Core providing a lightweight, high-performance, modular RPC pipeline with service reg… | 53 | 3264 | active |
| jjyaoao/HelloAgents HelloAgents is a Python multi-agent framework built on OpenAI-compatible APIs, offering tool response protocols, context engineering, sessi… | 84 | 3250 | active |
| DynamoRIO/dynamorio DynamoRIO is a runtime code manipulation system that supports arbitrary code transformations on executing programs, with a powerful instruc… | 95 | 3181 | active |
| petergoldstein/dalli Dalli is a high-performance pure Ruby client for accessing memcached servers. It supports failover, namespaces, thread-safe operation, SSL/… | 98 | 3114 | active |
| envoyproxy/gateway Envoy Gateway is an open-source control plane that manages Envoy Proxy as a standalone or Kubernetes-based application gateway, using Kuber… | 99 | 3091 | stable |
| userver-framework/userver userver is a production-ready open-source C++ asynchronous framework with coroutines for building microservices, services, and utilities. I… | 93 | 2982 | stable |
| LyricTian/gin-admin A full-featured RBAC admin scaffolding framework for Go built on Gin, GORM 2.0, Casbin 2.0, and Wire dependency injection. It ships with JW… | 31 | 2867 | active |
| skydive-project/skydive Skydive is an open source real-time network topology and protocols analyzer that captures network topology and traffic flows across hosts, … | 38 | 2799 | active |
| Pedestal Pedestal is a set of Clojure libraries for building server-side services, APIs, and web applications on the JVM. It provides an interceptor… | 65 | 2783 | active |
| Promptflow Prompt flow is a suite of Python SDK, CLI, and VS Code extension tools for the end-to-end development of LLM-based AI applications, linking… | 72 | 11244 | maintenance |
| Erda Erda is an enterprise-grade cloud-native application platform built on Kubernetes that provides DevOps, microservice governance, and multi-… | 67 | 2756 | active |
| go-chassis/go-chassis Go-Chassis is a cloud-native microservice framework for Go that provides a pluggable handler chain, protocol-independent service invocation… | 81 | 2726 | active |
| vllm-project/production-stack vLLM Production Stack is a reference implementation for deploying vLLM LLM inference at scale on Kubernetes, distributed via Helm charts. I… | 88 | 2667 | active |