Thought about releasing it? I help run a local dance and have been looking for a simple, small POS setup to help tally people (students, adults, seniors, and a

Thought about releasing it? I help run a local dance and have been looking for a simple, small POS setup to help tally people (students, adults, seniors, and association members) through the door. Right now we put tick marks in a log book. I was thinking about developing a jQuery / PHP / PostgreSQL system with nightly updates to Google Docs. Something that would run on a 5-year old laptop.