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. raw data into information, and likewise information systems typically take raw data as input to produce information as output.Software development is a process of writing and maintaining the Source code but in a broader sense, it includes all that is involved between the conception of the desired software through to the final manifestation of the software, sometimes in a planned and structured process.