Is there a free software, for bussunes administration

Software that does what exactly?

My bussines is trading, so I need a software
That help to :

-Budgeting
-Cost
-Payments to providers
-Stocks
-Banks
Thans in advance

I think you will find Inflow Inventory, a free retail management software for small businesses (http://www.wareprise.com/2009/04/15/free-retail-management-software-for-small-businesses/) quite useful.

It has features for you to:

Manage customer details
Manage vendor details
Manage products and services
Process orders
Reorder stocks
Generate invoices
Track inventory
View business reports
Manage sales taxes