Apache SkyWalking is an open-source application performance monitoring (APM) system that tracks and analyzes the behavior of applications and services in distributed environments through distributed tracing, metrics collection, and logging. Developers use it to diagnose performance bottlenecks, understand service dependencies, and monitor application health across microservices architectures, with support for multiple data sources including OpenTelemetry, Prometheus, and eBPF. It provides visualization and alerting capabilities to help teams quickly identify and resolve issues in production systems.

22 open issues · last updated Jul 21, 2026