Twitter includes two of their projects in bootstrap, which need packaging. Both are licensed under Apache-2.0 . These are: recess at http://twitter.github.com/recess/ Hogan.js at http://twitter.github.com/hogan.js/ Needs investigation if Bootstrap can build without JSHint, which is considered non-free and won't be packaged ATM. May also need node-connect from Sencha: https://github.com/senchalabs/connect