A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ http://www.windows-internals.com

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

Archlinux Kernel based on different schedulers and some other performance improvements.

Pgtune - tuning PostgreSQL config by your hardware

极客时间《Linux 性能优化实战》案例

Go Optimization Guide: Patterns and Techniques for Writing High-Performance Applications with Go

A suite of utilities simplilfying linux networking stack performance troubleshooting and tuning.

DEPRECATED StackImpact Python Profiler - Production-Grade Performance Profiler: CPU, memory allocations, blocking calls, exceptions, metrics, and more

Qubole Sparklens tool for performance tuning Apache Spark

(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.

Golang application performance data monitoring.

Simple Intel CPU processor tracing on Linux

Releem is a database advisor for MySQL & MariaDB that provides automatic metrics analysis, actionable insights, and safe automation. It helps detect issues quickly, optimize performance continuously, and reduce manual work at scale.

DEPRECATED StackImpact Go Profiler - Production-Grade Performance Profiler: CPU, memory allocations, blocking calls, errors, metrics, and more

Large Tech Knowledge Base from 20 years in DevOps, Linux, Cloud, Big Data, AWS, GCP and international Consulting including extensive Travel Tips around the world

Process Governor is a utility that automates the management of Windows processes and services by adjusting their priorities, I/O priorities, and core affinity according to user-defined rules

ISUCON過去問環境をAWSで再現するための一式まとめ

Autonomous Performance Tuning for Kubernetes!

a reverse proxy that boosts the web app performance!