This document compares different ERP software packages. It discusses the main ERP modules, top vendors like SAP and Oracle, and how ERP vendors can be categorized into tiers based on company size. Tier 1 vendors target large enterprises, Tier 2 targets mid-sized companies, and Tier 3 offers basic accounting for small businesses. The document also provides tips for comparing ERP software, such as considering deployment method, customer support, price, and customization needs. The conclusion is that choosing the right ERP system is important for business success and growth.