Enterprise software is software that is written to solve problems and scenarios found in large business enterprises.

Generally this involves writing large systems that model the business from end to end. The systems are comprised of large custom built solutions as well as various enterprise software components, such as SAP and [[Oracle]]. The complexity of Enterprise software components often requires trained users who are expert in using Oracle or SAP.

Over time, [[opensource]] software has begun to compete seriously in the Enterprise market, with license cost savings and an anti-lockin guarantee being competitive advantages against expensive products like Oracle and SAP.