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In the fields of information technology and systems management, application performance management (APM) is the monitoring and management of performance and availability of software applications. APM strives to detect and diagnose complex application performance problems to maintain an expected level of service.

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louislam /uptime-kuma

Sponsor

Star79.9k

A fancy self-hosted monitoring tool

docker monitor monitoring responsive single-page-app websocket socket-io selfhosted self-hosted uptime webapp uptime-monitoring

UpdatedDec 17, 2025
JavaScript

getsentry /sentry

Star42.7k

Developer-first error tracking and performance monitoring

python devops django monitor monitoring crash-reporting error-monitoring sentry crash-reports csp-report apm hacktoberfest error-logging tag-production fair-source

UpdatedDec 17, 2025
Python

exelban /stats

Sponsor

Star35.3k

macOS system monitor in your menu bar

macos menubar cpu monitor battery disk gpu clock network bluetooth temperature stats sensors fans

UpdatedDec 7, 2025
Swift

winsiderss /systeminformer

Star13.2k

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

windows debugger security benchmarking process-manager performance monitor monitoring realtime administrator process-monitor performance-tuning profiling monitor-performance performance-monitoring task-manager system-monitor processhacker systeminformer

UpdatedDec 16, 2025
C

openspug /spug

Star10.9k

开源运维平台：面向中小型企业设计的轻量级无Agent的自动化运维平台，整合了主机管理、主机批量执行、主机在线终端、文件在线上传下载、应用发布部署、在线任务计划、配置中心、监控、报警等一系列功能。

jenkins devops task alert monitor ops ci deploy operations cmdb cicd webshell webconsole webssh ops-tools ops-admin opsadmin django-ops spug

UpdatedApr 17, 2025
JavaScript

gao-sun /eul

Star9.7k

🖥️ macOS status monitoring app written in SwiftUI.

macos app monitor monitoring statusbar swiftui status-monitoring

UpdatedMay 25, 2024
Swift

TwiN /gatus

Sponsor

Star9.3k

The most advanced status page in the world

notifications go slack docker golang status devops monitor monitoring dashboard alerting container selfhosted statuspage health self-hosted uptime monitoring-tool status-page uptime-monitoring

UpdatedDec 16, 2025
Go

henrypp /memreduct

Star8.4k

Lightweight real-time memory management application to monitor and clean system memory on your computer.

windows monitor memory foss memory-management cleaner memory-monitoring mem-reduct

UpdatedOct 25, 2025
C

LibreHardwareMonitor /LibreHardwareMonitor

Star7.6k

Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

open-source opensource monitor monitoring system hardware free hacktoberfest system-monitor system-monitoring hardware-monitoring libre-hardware-monitor

UpdatedDec 16, 2025
C#

AdnanHodzic /auto-cpufreq

Sponsor

Star7k

Automatic CPU speed & power optimizer for Linux

linux cli frequency cpu monitor battery monitoring tool daemon boost management speed power automatic turbo laptop hacktoberfest governor

UpdatedDec 6, 2025
Python

apache /hertzbeat

Star6.9k

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

notifications linux agent status monitor database ai monitoring server metrics grafana alerting logs prometheus zabbix self-hosted uptime observability status-page llm

UpdatedDec 17, 2025
Java

markzhai /AndroidPerformanceMonitor

Star6.7k

A transparent ui-block detection library for Android. (known as BlockCanary)

android performance monitor apm blockcanary anr detection-library

UpdatedJul 15, 2023
Java

opengoofy /hippo4j

Star6k

📌 异步线程池框架，支持线程池动态变更&监控&报警，无需修改代码轻松引入。Asynchronous thread pool framework, support Thread Pool Dynamic Change & monitoring & Alarm, no need to modify the code easily introduced.

java monitor kafka dynamic thread-pool springboot blocking-queue resizable rocketmq dynamic-threadpool

UpdatedOct 31, 2025
Java

thebuilder /react-intersection-observer

Star5.5k

React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport.

react hooks hook performance monitor reactjs scrolling visibility viewport lazy-loading intersection-observer intersectionobserver intersectionobserver-api react-hooks

UpdatedDec 15, 2025
TypeScript

alin23 /Lunar

Star5.4k

Intelligent adaptive brightness for your external monitors

macos swift monitor display macbook contrast brightness xdr ddc volume-control ddc-ci adaptive-brightness brightness-control swiftui

UpdatedNov 7, 2025
Swift

snyk /cli

Star5.4k

Snyk CLI scans and monitors your projects for security vulnerabilities.

security monitor vulnerabilities snyk

UpdatedDec 17, 2025
TypeScript

dromara /dynamic-tp

Sponsor

Star4.7k

🔥🔥🔥轻量级动态线程池，内置监控告警功能，集成三方中间件线程池管理，基于主流配置中心（已支持Nacos、Apollo，Zookeeper、Consul、Etcd，可通过SPI自定义实现）。Lightweight dynamic threadpool, with monitoring and alarming functions, base on popular config centers (already support Nacos、Apollo、Zookeeper、Consul, can be customized through SPI).

java monitor apollo spring consul thread grpc zookeeper springboot dubbo rocketmq threadpool springcloud dynamic-threadpool micrometer threadpoolexecutor nacos