eaddrinuse

Project-aware lsof for macOS. Single-binary Go CLI that shows which dev project each listening port belongs to, and lets you kill, pause, or resume by port number. Find what's using port 3000.

macOS port manager: see every listening port, who started it, and stop it the right way. Menu bar app, Workbench, CLI, and an MCP server so AI agents never kill each other's servers. Formerly PortKilla.

Find what's using a port and stop it. Menu-bar app for listening ports, the processes behind them, and the emulators, simulators and containers that opened them. macOS, Linux, Windows.

Kill whatever is listening on a TCP port. A CLI for macOS and Linux with dry runs, port ranges, --list and a loopback-only web UI (--gui). Node.js 18+.

DHCP for Developers - Professional port registry prevents 'address already in use' errors with automatic lease management, real-time dashboard, and AI assistant integration

Cross-platform port manager to find and kill processes using a port, inspect listening ports, and stop Docker port conflicts.

A cross-platform CLI tool built purely in Go to instantly identify and gracefully terminate processes causing EADDRINUSE errors on Windows, Mac, and Linux.

Local-first CLI that scans listening ports, enriches them with process/Docker/IANA detail, and remembers what normally runs where.

Fix Claude Code Auto Mode classifier thinking latency, timeouts, permission denials, EADDRINUSE and port conflicts across concurrent DeepSeek/Anthropic-compatible sessions.

Is port 3000 free? Omarchy overlay that answers instantly, suggests the next free port, and kills the holder with verified feedback.

A lightweight native macOS menu bar app to instantly find and kill the process listening on any TCP port — favorites, watched ports, native notifications. Free up :3000/:8080 and fix 'address already in use' (EADDRINUSE) in one click.

Find out what's using port 3000 on macOS. Lists every listening port, the process squatting on it, its RAM, and how long it's been leaking. Kill orphaned dev servers, postgres, redis and docker daemons in one command.

Find and kill any process listening on a localhost port (127.0.0.1, 0.0.0.0). Fixes EADDRINUSE. VS Code extension + Windows desktop app. MIT.

Fast, zero-dependency CLI to list and kill the processes holding your dev ports — never fight EADDRINUSE again.

端口被谁占了？一条命令看清并释放。零依赖。

Cross-platform CLI to find and kill whatever is holding a port hostage. Fixes EADDRINUSE on macOS, Windows & Linux.

VS Code extension that shows which process is holding a local port, where it was started from, and stops it safely. Workspace-aware, with EADDRINUSE detection.

Free up a port already in use: find and kill the process holding it (EADDRINUSE). Cross-platform, zero-config, Docker-safe.

⚡ The lightning-fast, intelligent port hunter & process slayer for modern developers.

Find and kill the process on any port. Interactive, zero dependencies, cross-platform. npx portkill 3000