Oracle NetSuite is a cloud-based enterprise resource planning (ERP) software suite that offers a complete set of business applications for managing financials, customer relationship management (CRM), e-commerce, and more.nThe main NetSuite competitors are SAP Business and Sage Intacct.u00a0nAll three are mainly aimed at large enterprises with their complex systems and expensive implementation. On the other hand, Katana's ERP software is easy to set up and use, making it an ideal alternative for NetSuite ERP for small to medium-sized businesses.n