Possom - Version 2.0 POSSOM is a POS system that allows you to analyse sales by customer, employee or supplier. Tracks customer expenditure and birthdays. Records stock and services and has a calendar with appointments, reminders and staff holidays. Comes with full Help and Tutorial. Designed for small salons, spas, retail fashion outlets, hairdressers or any retail business that combines customer services and stock sales.It is very reasonably priced and runs on any standard windows computer.