Solidres is a hotel booking extension for Joomla! CMS. Solidres itself is a free extension and you can download, install and use it in unlimited sites as you wish. Also, Solidres follows Joomla coding standard (MVC structure) therefore customizing Solidres or developing template for Solidres is a pleasant task for all Joomla developers/designers. Although Solidres was designed to support hotel (room-based) booking, it can still be used for other type of booking businesses like apartment/villas booking, B&B, guest house, camp site, we can even see some users who use Solidres for cat boarding or 3G USB booking.
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