AnotherPOS Lite for Mac

From AnotherPOS:

AnotherPOS Lite is designed for small retail business looking for the simplest and affordable point of sale (POS) solution for Mac OS X. Featuring rapid invoice creation, rapid product creation, and the most natural and intuitive user interface design available in the market. Perfect for business selling service or business does not require to keep product inventory. With AnotherPOS Lite, you can create your product and then sell it in less then 5 seconds. The search engine behind the scene helps you find your product fast and precise. With only a few letters of the product description, the search engine will return the best match at the moment you stop typing.