alfred-fkill 
Alfred 3 workflow to fabulously search and kill processes

Install
$ npm install --global alfred-fkill
Requires Node.js 4+ and the Alfred Powerpack.
Usage
In Alfred, type kill
, <kbd>Enter</kbd>, and the name of your process.
To kill a process by its port number, prefix it with a colon. For example: kill :8080
.
Select an item and press <kbd>Enter</kbd> to kill the process.
Hold <kbd>Shift</kbd> to show the used CPU percentage.
Hold <kbd>Alt</kbd> and press <kbd>Enter</kbd> to force kill the process.
Related
License
MIT © Sam Verschueren