Integration in software engineering means combining software parts or subsystems into one system. Integrated systems demonstrate better performance comparing to the sum of all independent ones. It’s more convenient to distribute and use. Integrating is trending as never before these days. More and more mergeable systems appear on the Internet. Therefore, connecting with them is vital. Software integration process: A proper software integration has six stages begins with Gathering Definitions, Specifications, and Requirements, Analysis, Architecture Design and Management Plan, System Integration Design, Implementation and ends with Evaluation and Maintenance.