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

(UNMAINTAINED) inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.

TDA - Thread Dump Analyzer (for Java). Analyze your Thread Dumps with a GUI or use it as MCP Server.

Autonomous Performance Tuning for Kubernetes!

Samples for "Hibernate performance tuning" talk

Another repo for jamonapi.com which is primarily hosted on sourceforge

Android application to participate in experiment crowdsourcing (such as workload crowd-benchmarking and crowd-tuning) using Collective Knowledge Framework and open repositories of knowledge:

Frontcache - page fragment cache designed to boost web app performance. It reduces server response time for dynamic pages, reduces load on backend systems multiple times, increases application's resilience. Works as Servlet Filter or Standalone Cache Server.

DEPRECATED StackImpact Java Profiler - Production-Grade Performance Profiler: CPU, locks, runtime metrics, and more

A Generic Benchmarking Platform for Big Data Architectures

Detect, analyse and prevent the memory leaks on Java based applications.

Example of performance tuning Hazelcast object serialization to get faster read's and writes from the distributed in-memory data grid.

Catla for Hadoop and Spark (Catla-HS): An open-source system to support tuning MapReduce performance on Hadoop and Spark clusters.

A tool to tune/validate/monitor performance of Azure Cosmos DB collections via Mongo Protocol.

它的核心定位是：非侵入式 MySQL 慢查询智能诊疗系统。 它部署在应用服务器上，像一个 24 小时待命的 DBA，实时监听 MySQL 的 slow.log，利用 AI Agent 分析根因，并推送优化建议。

High-performance digital archiving system featuring custom sorting algorithms and optimized search data structures.

Database and JVM tuning techniques.

A maintained fork of MobStacker2, a highly efficient, customizable and easy to use plugin for lifting entity stress from your server.