e-Bills is for ...
Any business that creates invoices, especially those working with open source software. It is suitable for single individuals, small service companies with say 1 or 2 staff, larger organisations and corporates. In all cases it will save time issuing invoices, allow you to keep excellent records and to chase payments. It will also integrate with your web site.

Examples of items invoiced could include: your time charged at a fixed daily rate; expenses; a monthly recurring support or hosting charge; charges for standard products; ad-hoc charges; receipts for donations and annual fees. The list of what e-Bills will invoice is endless.