The Netowrk version gives you the our Full accounting system with full netowork access.  You get unlimited users at you site location. With the Professional Edition you get our full line of accounting software. The Professional Edition comes complete with Accounts Payable, Accounts Receivable, Job Costing, General Ledger, Payroll, Purchase Orders and Inventory. This gives you full access to manage and control your business expenses. All of our programs work together so you save from having to enter things multiple times.