Software development is a process of writing and maintaining the source code, but in a broader sense, Software development is the process of computer programming, documenting, testing, and bug fixing involved in creating and maintaining applications and frameworks resulting in a software product. The need for better quality control of the software development process has given rise to the discipline of software engineering, which aims to apply the systematic approach exemplified in the engineering paradigm to the process of software development. There are many approaches to software project management, known as software development life cycle models, methodologies, processes, or models.

There are many approaches to software project management, known as software development life cycle models, methodologies, processes, or models.

The waterfall model is a traditional version, contrasted with the more recent innovation of agile soft.