VizTracer is a low-overhead logging/debugging/profiling tool that can trace and visualize your python code execution.

Function graph tracer for C/C++/Rust/Python

A simple & straight-to-the-point PHP profiling extension with its built-in web UI

Reverse engineering tool for linux games

Real-time PathTracing with global illumination and progressive rendering, all on top of the Three.js WebGL framework. Click here for Live Demo: https://erichlof.github.io/THREE.js-PathTracing-Renderer/Geometry_Showcase.html

A toy physically based GPU path tracer (C++/OpenGL/GLSL)

A Frida based tool that traces usage of the JNI API in Android apps.

Path tracing renderer and utilities for three.js built on top of three-mesh-bvh.

SOFATracer is a component for the distributed system call trace. And through a unified traceId logging the logs of various network calls in the invoking link. These logs can be used for quick discovery of faults, service governance, etc.

对java、scala等运行于jvm的程序进行实时日志采集、索引和可视化，对系统进行进程级别的监控，对系统内部的操作进行策略性的报警、对分布式的rpc调用进行trace跟踪以便于进行性能分析

Hunter is a flexible code tracing toolkit.

Bus 是一个基础框架、服务套件，它基于Java8编写，参考、借鉴了大量已有框架、组件的设计，可以作为后端服务的开发基础中间件。代码简洁，架构清晰，非常适合学习使用。

Engine used by jnitrace to intercept JNI API calls.

Tracer for execve{,at} and pre-exec behavior, launcher for debuggers.

Bus (应用/服务总线) 是一个基础框架、服务套件，它基于Java17+ 编写，参考、借鉴了大量已有框架、组件的设计，可以作为后端服务的开发基础中间件。代码简洁，架构清晰，非常适合学习使用。

Graphsignal Tracer for Python

Low-overhead sampling profiler and tracer for Ruby for Linux

📊 End-to-end tracing system for Http4s

Tracer is an OSINT tool that can be used to detect on which websites a username is currently in use

Lumigo's Node.js Distributed Tracing and Performance Agent