MMCISAGOODMAN/port-master

htop for your ports. Inspect processes, Docker & systemd, detect port drift, audit Compose, and manage it all from TUI, Web or Cockpit.

An open source, self-hosted, real-time port monitoring and discovery tool.

Find what's using a port, who started it (Claude Code, Cursor, Docker…), whether your network can reach it, and stop it safely. An lsof alternative for developers: TUI, CLI and a live harbour view.

See exactly what’s using your ports — and kill it in one click.

Port Management Interface

List ports and their processes on Linux, macOS, and Windows.

See through the fog of local development ports.

A powerful cross-platform port management tool for developers. Monitor ports, manage Kubernetes port forwards, integrate Cloudflare Tunnels, and kill processes with one click.

A web dashboard that shows your server's port usage as a traffic-light grid. Built for homelabbers who run many Docker Compose stacks and keep forgetting which port is taken.