The TwitterBootstrapBundle use Bootstrap
All the installation instructions are located in documentation.
This bundle is under the MIT license. See the complete license in the bundle:
Resources/meta/LICENSE
Issues and feature requests are tracked in the Github issue tracker.
When reporting a bug, it may be a good idea to reproduce it in a basic project built using the Symfony Standard Edition to allow developers of the bundle to reproduce the issue by simply cloning it and following some steps.