Port Killer
Port Killer is a free, open-source developer tool for Windows, macOS and Linux. A powerful cross-platform port management tool for developers. It has 5,144 GitHub stars and is released under the MIT license. Its source code is on GitHub at productdevbook/port-killer.
github.com/productdevbook/port-killer (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
About Port Killer
A powerful cross-platform port management tool for developers. Monitor ports, manage Kubernetes port forwards, integrate Cloudflare Tunnels, and kill processes with one click.
Install Port Killer
Package names found in the project's README. Each links to its package page so you can check the publisher first.
brew install --cask productdevbookSimilar apps
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Is Port Killer free and open source?
Yes. Port Killer's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Port Killer?
Homebrew: brew install --cask productdevbook. The commands are on this page. Installers are also on its GitHub Releases page (latest: v3.4.0).
Is Port Killer still maintained?
The repository's most recent commit was on Oct 15, 2026. appsgit only lists apps whose repository had a commit in the last six months.