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.
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Updated
May 3, 2026 - Go
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.
Kill processes listening on TCP ports — CLI for macOS/Linux: dry-run, port ranges, --list, local web UI (--gui) on loopback. Node.js 18+.
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.
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.
端口被谁占了?一条命令看清并释放。零依赖。
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.
⚡ The lightning-fast, intelligent port hunter & process slayer for modern developers.
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.
Cross-platform CLI to find and kill whatever is holding a port hostage. Fixes EADDRINUSE on macOS, Windows & Linux.
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.
Find & kill whatever is holding a TCP port. Cross-platform, zero deps, zero AI. Bye-bye EADDRINUSE.
Find and kill processes using any port. Cross-platform. Zero dependencies.
Find and kill the process on any port. Interactive, zero dependencies, cross-platform. npx portkill 3000
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.
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