Search awesome repositories

Developer-first error tracking and performance monitoring

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

APM, Application Performance Monitoring System

Open source observability platform for logs, metrics, traces, RUM, Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

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。

APM, (Application Performance Management) tool for large-scale distributed systems.

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.

【免费社区版】【企业版】Webfunny是一款集全链路监控和用户行为分析（埋点）系统于一体的大数据分析系统，我们致力于解决线上的疑难杂症和精细化分析业务数据；监控系统面向技术、埋点系统面向业务，两者配合使用，相得益彰。

eBPF Observability - Distributed Tracing and Profiling

Open source APM: OpenTelemetry traces, metrics, and logs

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.

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.

High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.

Fast and Lightweight Observability Data Collector

Scouter is an open source APM (Application Performance Management) tool.

The .NET/.NET Core instrument agent for Apache SkyWalking

Open source monitoring and visualization UI for the TICK stack

The official Airbrake library for Ruby applications

DataBuff is an AI-native APM built on Opentelemetry，with multi-agent troubleshooting out of the box.

APO is a comprehensive observability platform combining OpenTelemetry with eBPF. Leveraging LLM to enable automated analysis and troubleshooting 🚀.

ScoutAPM Ruby Agent. Supports Rails, Sinatra, Grape, Rack, and many other frameworks

inspectIT Ocelot - Java agent for collecting application performance, tracing and behavior data

Ruby Agent for Instrumental Application Monitoring

Unified observability for logs, metrics and traces — low overhead instrumentation (Rust, Unreal Engine 5), OTLP ingestion, SQL analytics on DataFusion over Parquet, presentation through notebooks, Grafana and Python. Self-hosted.

Self-hosted observability platform — error tracking, performance tracing, metrics, uptime monitoring, and profiling.

Always-on request tracing for PHP. Every request recorded — time, SQL fingerprints, outbound HTTP, errors, N+1 — by a C extension plus a single-binary Go collector. Runs on shared hosting, no root needed. Apache-2.0.