There are frequently many canned software packages available. However, many companies choose to develop their own software. Why? Canned software packages are often less expensive than software developed in house. An organization may have unique requirements that are not addressed by canned software packages and The organization's size and complexity necessitate the in-house development of software are correct. The organization's size and complexity necessitate the in-house development of software. An organization may have unique requirements that are not addressed by canned software packages