SigNoz 用于帮助开发者监控应用并排除问题，是 DataDog、NewRelic 的开源替代品。
CNCF Jaeger, a Distributed Tracing Platform
翻译 - CNCF Jaeger，一个分布式跟踪平台
CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。
pinpoint 是一个大型系统性能管理和分析平台
GoFrame是一款模块化、高性能、企业级的Go基础开发框架。GoFrame是一款通用性的基础开发框架，是Golang标准库的一个增强扩展级，包含通用核心的基础开发组件，优点是实战化、模块化、文档全面、模块丰富、易用性高、通用性强、面向团队
High-level tracing language for Linux
翻译 - Linux eBPF的高级跟踪语言
highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.
An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.
TransmittableThreadLocal 继承并加强InheritableThreadLocal类，解决异步执行时上下文传递的问题。
Coroot is an open-source APM & Observability tool, a DataDog and NewRelic alternative. Metrics, logs, traces, continuous profiling, and SLO-based alerting, supercharged with predefined dashboards and ...
Application level tracing for Rust.
magic-trace collects and displays high-resolution traces of what a process is doing
Observe any stack, any service and any data, using any UI components you prefer, never missing any X factors and resolve them before they become real problems.
Hubble - Network, Service & Security Observability for Kubernetes using eBPF
翻译 - 哈勃-Kubernetes的网络，服务和安全性可观察性
Open source APM: OpenTelemetry traces, metrics, and logs
翻译 - 使用 OpenTelemetry 和 ClickHouse 进行分布式跟踪
Function graph tracer for C/C++/Rust/Python
翻译 - 用户空间的功能（图形）跟踪器
Main repository for Datadog Agent
翻译 - 数据狗代理