Most often people associate both Grunt & Gulp with building systems but they are not restrict to that and both can form part of the of a front end dev’s day to day development process being able to run tests & reload html when altered, etc
Similarities- Both use Node.js to provide their functionality
- Installed via NPM & need both a global and project specific install
- Have a plugin eco-system
- Their configuration files are valid JavaScript
- Configuration consists of “Tasks”