What is good Small Business Accounting Packages? Peachtree Complete Accounting Software is the Complete version of this small business accounting software program includes over 125 reports and features such as in-depth inventory, time and billing and job costing. The accounting program comes multi-user ready and “value packs” for 3 or more users are available. Peachtree Accounting Software is also available in Premium and First Accounting versions. Our research lead us to a website that has compared some of the most popular small business accounting packages released in 2005. High end accounting software are complex and expensive business accounting software that are also known as Enterprise Resource Planning or ERP software.