Ajax Expense Manager is a variation of: Ajax Full Featured Calendar. I used the calendar and added ability to sum values so I can control my own expenses. I am able to categorize my expenses, see how I spend each month on a category, how I spend every week or how I spend a certain week or day. This tool helps you decide where to cut certain unnecessary costs, and see how repetitive is that cost on a certain month. or day. This tool helps you decide where to cut costs or certain unceserry costs.