SkyWalking 是一款应用性能监控系统，包括指标监控，分布式追踪，分布式系统性能诊断。
A transparent ui-block detection library for Android. (known as BlockCanary)
翻译 - 适用于Android的透明ui阻止检测库。 （称为BlockCanary）
Performance monitoring tools for Linux
翻译 - Linux性能监控工具
.NET Core Application Performance Monitor
A Distributed and High-Performance Monitoring System
A complete performance monitoring system.
MySQL performance monitoring and analysis.
SQL Server Performance Monitor
Performance monitor for Actionscript3 and haXe
Intel® Performance Counter Monitor (Intel® PCM)
翻译 - 处理器计数器监视器
ARMv8 performance monitor from userspace
An app performance monitor(APM) , like "Android Studio profiler", you can easily monitor the performance of your app real time in browser
React Native Performance Monitor - Realtime graphing of React Native render performance
A simple performance monitor for android
服务器资源监控工具
A Linux Resource / Performance Monitor based on PHP.
PerfMonX is an enhanced Performance Monitor tool
Automatically monitor the evolving performance of Flask/Python web services.
Monitor performance of you Rails applications (self-hosted and free)
翻译 - 监控您的Rails应用程序的性能
HttpReports is an APM (application performance monitor) system for .Net Core.
翻译 - HttpReports是用于.Net Core的APM（应用程序性能监视器）系统。
A robust and functional Application Performance Monitor (APM) system
Monitor your SQL Server on Linux performance using collectd, InfluxDB and Grafana
Monitor performance of your Minecraft server. Similar to VisualVM and Java Mission Control.
Code to show CPU, memory, and swap usage on an LED grid using an ESP8266