This is modified twitter_bootstrap theme but compatible with Panels/Panels everywhere modules.
Features:
- site template layout for basic Bootstrap layout
- sample site template panel with appropriate layout (just enable it on /admin/structure/pages page)
- style plugin for dropdown menus
- compatible with old, blocks-oriented code
In plans continue integration and make a flexible layout to have possibility to configure Bootstrap's grid, implement some of Bootstrap's elements as content types/style plugins.