Grant is an opensource JavaScript task runner build on Node. This task runner can able you to make full build process or do minimal file changes. Also, it is frequently updated through its community contribution.
Furthermore, Grunts ecosystem is growing where many plugins are available through community contribution. So, users can relatively automate everything using grant and its plugins.
Lastly, Grant is an opensource task runner. So, everyone can freely use and contribute to the platform. Also, Grant was used with multiple popular IT companies such as twitter and Adobe.