Tenfold - Tenfold is a mobile game that is designed primarily to be played by iPhone users. The game is available on the app store. The tagline of the game is "twenty seven numbers, endless puzzles. Read more about Tenfold.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
ZenDesk - Zendesk is a beautiful, lightweight help-desk solution.
YUNO - YUNO is a web data driven company focussed on solving customer challenges in web data discovery and extraction space.
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.