The procedure of designing and developing using Microsoft and Open Source technologies for Desktop, Web & Mobile App on various platforms such as iOS, Android and Windows. 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. The waterfall model is a traditional version, contrasted with the more recent innovation of agile software development.