APM, Application Performance Monitoring System

Zipkin is a distributed tracing system

An AI-powered next-generation open source real-time observability system.

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

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

An extensible Java library for HTTP request and response logging

First open-source data discovery and observability platform. We make a life for data practitioners easy so you can focus on your business.

The Java agent for Apache SkyWalking

An agent component for the Java system

Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively trace and monitor your Java code, the JDK, and 3rd party libraries.

OpenSearch Data Prepper is a component of the OpenSearch project that accepts, filters, transforms, enriches, and routes data at scale.

Observe Spring Boot app with three pillars of observability: Traces (Tempo), Metrics (Prometheus), Logs (Loki) on Grafana through OpenTelemetry and OpenMetrics.

HoloInsight is a cloud-native observability platform with a special focus on real-time log analysis and AI integration.

A modular, scalable Spring Boot microservices framework for managing courses and reviews. It features OAuth 2.0 authentication via Keycloak, API management with Spring Cloud Gateway, and observability using OTel, Grafana, Loki, Tempo, and Prometheus. MongoDB and PostgreSQL handle storage, with deployments via Docker Compose and Kubernetes.

Application Insights for Java

Provides tracing abstractions over tracers and tracing system reporters.

Enterprise-ready Spring AI platform for RAG, tool calling, async ingestion, JWT/RBAC security, and observability.

OUTDATED - See the new repository below! -- Secure JDK Flight Recorder management for containerized JVMs

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

Arconia is a framework that acts as an add-on for Spring Boot, designed to enhance modern enterprise applications built with Java. You can add Arconia to an existing Spring Boot application to boost developer experience, reduce boilerplate, and seamlessly adopt cloud native patterns.