The Prometheus monitoring system and time series database.

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

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

Sentry is cross-platform application monitoring, with a focus on error reporting.

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

SQL powered operating system instrumentation, monitoring, and analytics.

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

A full-featured App (iOS & Android) development assistant. You deserve it. 简称 "DoKit" 。一款功能齐全的客户端（ iOS 、Android、微信小程序 ）研发助手，你值得拥有。https://www.dokit.cn/

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。

An open-source big data platform designed and optimized for the Internet of Things (IoT).

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

APM, (Application Performance Management) tool for large-scale distributed systems.

Top-like interface for container metrics

A beautiful web dashboard for Linux

Tool for shell commands execution, visualization and alerting. Configured with a simple YAML file.

The Swiss Army knife for 802.11, BLE and Ethernet networks reconnaissance and MITM attacks.

eBPF-based Networking, Security, and Observability

Cross-platform lib for process and system monitoring in Python

Linux System Optimizer and Monitoring - https://oguzhaninan.github.io/Stacer-Web

An open-source and enterprise-level monitoring system.

Real-time metrics for nginx server

The GitOps Kubernetes operator

A curated list of Site Reliability and Production Engineering resources.

Daemon to ban hosts that cause multiple authentication errors

Linux tool to show progress for cp, mv, dd, ... (formerly known as cv)

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty