Monitoring

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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

netdata /netdata

Star77k

The fastest path to AI-powered full stack observability, even for lean teams.

mysql linux docker kubernetes devops machine-learning database ai monitoring mongodb influxdb mcp grafana alerting postgresql cncf prometheus data-visualization observability netdata

UpdatedDec 17, 2025
C

grafana /grafana

Star71.3k

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

mysql go elasticsearch postgres monitoring dashboard influxdb analytics metrics grafana alerting prometheus data-visualization business-intelligence hacktoberfest

UpdatedDec 17, 2025
TypeScript

prometheus /prometheus

Star61.8k

The Prometheus monitoring system and time series database.

monitoring time-series metrics alerting prometheus graphing hacktoberfest

UpdatedDec 17, 2025
Go

huginn /huginn

Star48.3k

Create agents that monitor and act on your behalf. Your agents are standing by!

notifications agent rss scraper automation twitter monitoring huginn feed feedgenerator webscraping twitter-streaming

UpdatedDec 17, 2025
Ruby

Unitech /pm2

Star42.8k

Node.js Production Process Manager with a built-in Load Balancer.

nodejs process-manager node monitoring command-line deploy production pm2 load-balancer command-line-tool

UpdatedNov 26, 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

influxdata /influxdb

Star31k

Scalable datastore for metrics, events, and real-time analytics

react go rust database monitoring influxdb time-series metrics

UpdatedDec 16, 2025
Rust

nicolargo /glances

Sponsor

Star30.9k

Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, Mac OS and Windows operating systems.

python multi-platform terminal web monitoring system restful restful-api

UpdatedDec 16, 2025
Python

glanceapp /glance

Sponsor

Star30.4k

A self-hosted dashboard that puts all your feeds in one place

go docker rss youtube reddit monitoring dashboard aggregator rss-reader homepage feed-reader self-hosted startpage homelab

UpdatedDec 10, 2025
Go

dgtlmoon /changedetection.io

Star29.3k

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

notifications rss monitoring self-hosted web-scraping website-monitor url-monitor change-alert change-detection website-change-monitor website-change-tracker website-monitoring change-monitoring website-watcher website-change-detector restock-monitor website-change-detection website-change-notification back-in-stock website-defacement-monitoring

UpdatedDec 17, 2025
Python

SigNoz /signoz

Star25k

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

react go open-source typescript monitoring log reactjs metrics nextjs logs prometheus self-hosted apm tracing observability distributed-tracing application-monitoring jaeger good-first-issue opentelemetry

UpdatedDec 17, 2025
TypeScript

taosdata /TDengine

Star24.6k

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

iot sql database monitoring time-series metrics cluster bigdata scalability distributed cloud-native financial-analysis tsdb time-series-database connected-vehicles industrial-iot tdengine

UpdatedDec 17, 2025
C

cilium /cilium

Star23.1k

eBPF-based Networking, Security, and Observability

kubernetes security networking monitoring kernel containers cncf k8s ebpf xdp troubleshooting observability cni loadbalancing bpf kubernetes-networking

UpdatedDec 17, 2025
Go

osquery /osquery

Star23k

SQL powered operating system instrumentation, monitoring, and analytics.

security sql monitoring intrusion-detection hacktoberfest

UpdatedDec 15, 2025
C++

didi /DoKit

Star20.4k

一款面向泛前端产品研发全生命周期的效率平台。

android ios performance tools monitoring miniapp mockgps

UpdatedAug 12, 2025
Java

allinurl /goaccess

Sponsor

Star20.1k

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

c nginx cli privacy real-time terminal monitoring dashboard analytics command-line webserver google-analytics web-analytics apache tui ncurses caddy data-analysis goaccess gdpr

UpdatedOct 26, 2025
C

langfuse /langfuse

Star19.4k

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

open-source playground monitoring analytics evaluation self-hosted ycombinator openai observability autogen large-language-models llm prompt-engineering langchain llmops llama-index prompt-management llm-evaluation llm-observability

UpdatedDec 17, 2025
TypeScript

dianping /cat

Star19k

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

java monitoring metrics realtime distributed apm tracing