Live list of listening TCP/MCP ports — refreshed every few seconds. Knows what's running — shows the owning process, its pid, and the page title for local web servers. One click to open — hover a row to launch http://localhost:, or copy the address. Stop a runaway process — graceful SIGTERM to the validated owner, after you confirm. Network-exposed warning — a 🌐 marks ports bound to *, reachable beyond loopback. Noise filter — system and background services are hidden behind a toggle.