gobble 
the last build tool you'll ever need
Quick start
Install gobble-cli...
npm install -g gobble-cli...then create a gobblefile.js build definition in your project's root directory. Then, run gobble:
gobbleWhy another build tool?
There are many good reasons! Here are a few.
Docs
Plugins
Search for 'gobble' on npm to find plugins: https://www.npmjs.org/search?q=gobble
Caveats
Gobble is still in active development, and may not be ready for primetime yet - APIs may change, and huge swathes of documentation are currently missing. Bear with me!
License
MIT Licensed. Copyright 2014 Rich Harris.