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.

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

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

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

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.

Find and kill processes using any port. Cross-platform. Zero dependencies.

Find & kill whatever is holding a TCP port. Cross-platform, zero deps, zero AI. Bye-bye EADDRINUSE.

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