Grunt and gulp are task runners, yeoman is a scaffolding tool that does exactly that, and all the generators I've used and written will scaffold out Grunt or Gu

Grunt and gulp are task runners, yeoman is a scaffolding tool that does exactly that, and all the generators I've used and written will scaffold out Grunt or Gulp tasks which take care of the build/test/deploy story. Usually with live-reload and filesystem watches for autoupdate.