Portable-ERP is a software to help you manage your daily activities in your business: manage your customers, your products, your tariffs, your discounts, your offers/orders/invoices. Portable-ERP was designed to be very easy to use. Check-out the training video's on the website or on youtube. Portable-ERP exists also as a Premium version (against payment), and includes project management with time registration, stock management and purchase orders. Portable-ERP is FREE in its base version and is PORTABLE. Meaning you can install it on a USB key/ external harddisk and take it everywhere with you, it doesn't leave tracks where you used it.