Open source. Open possibilities.

Prometheus Operator is a Kubernetes-native tool that automates the deployment, configuration, and management of Prometheus monitoring clusters, Alertmanager, and related components using custom resources.

Sentry is a developer-first debugging platform for error tracking and performance monitoring, with official SDKs for many languages and frameworks.

NeoHtop is a modern, cross-platform desktop system monitor built with Rust, Tauri, and Svelte. It provides real-time process monitoring, CPU and memory tracking, advanced search with regex support, process management, and dark/light themes.

The @knownagents/sdk is a Node.js library that lets server‑side applications track AI agent traffic, record LLM referrals, generate up‑to‑date robots.txt files, and identify bots via the Agent Identification API. It supports batch event flushing, MCP call tracking, and integration with ACP/UCP commerce flows.

English README for a Node.js CLI bot that monitors ETH/USDC prices across DeFi platforms and attempts flash-loan arbitrage via a smart contract, with wallet setup, protocol selection, a 0.9% spread threshold, and risk warnings.

Curated knowledge repository of SRE practices, tools, and culture from leading tech organizations including Airbnb, Netflix, Google, and many others.

HyperDX is an open-source observability platform that unifies logs, metrics, traces, session replays, and errors using ClickHouse and OpenTelemetry for fast production issue resolution.

Fail2Ban is a daemon that scans log files and bans IPs with repeated authentication failures by updating firewall rules, supporting IPv6 and many services.

Libre Hardware Monitor is a free, open-source Windows tool that monitors temperature sensors, fan speeds, voltages, load, and clock speeds of computer hardware including motherboards, CPUs, GPUs, storage devices, and network cards.

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal or via a browser-based HTML dashboard.

WordPress plugin client for ovos console error monitoring and cyberdefense. Reports PHP/JS errors, security events, and scanner probes to a self-hosted console instance. Features CVE matching, traffic rollups, and AI-driven analysis.

A terminal-based system monitoring dashboard showing CPU, memory, and process details with interactive sorting and Docker support.

Grafana Pyroscope is a continuous profiling platform that surfaces performance insights from your applications, helping you optimize CPU, memory and I/O usage and debug bottlenecks down to a single line of code.

MangoHud is a Vulkan and OpenGL overlay for Linux that shows FPS, frametimes, CPU/GPU load, temperatures and more while gaming, with a highly configurable HUD, FPS limiting, logging and plotting tools.

bettercap is a Go-based, extensible security framework for reconnaissance and MITM attacks across WiFi, BLE, HID, CAN-bus, and IPv4/IPv6 networks, with a REST API, web UI, and JavaScript plugins.

PM2 is a production process manager for Node.js, TypeScript, and Bun applications with a built-in load balancer, zero-downtime reload, cluster mode, log management, and container support.

dsnitch is a single-binary, zero-configuration terminal UI tool powered by Linux eBPF that provides real-time network and DNS egress inspection for Docker containers, attributing outbound connections directly to container names without modifying container networks.

MCP server for VictoriaMetrics Anomaly Detection (vmanomaly), enabling AI assistants to perform health checks, model management, configuration generation, alert rule creation, and documentation search via the Model Context Protocol.

An open-source tool for monitoring website changes and receiving real-time alerts via various notification channels.

Statping is an open-source status page and monitoring server written in Go. It checks websites and applications, renders graphs and analytics, supports MySQL, Postgres or SQLite, and runs on Linux, Mac, Windows, Docker or Raspberry Pi.