Here are some examples of Kalatheme being used to rapidly build bootstrap driven subthemes:

Docusign

Advertising - Billboard.com

Tulare County Federal Credit Union

SocialCoding4Good

Horomidis Agronomic Corp.

Kalamuna

Simple Non-Profit

Small Studio Site

OpenASU Distro

If you have built your own subtheme with the Kalatheme framework. Please feel free to post a screenshot here.