Computer industry has been innovative, vital and successful. The software industry is booming and has no stoppage. Computers have become integral part of life in almost all walks of life, like medicine, engineering and technology, science, business, research, education, social life etc. The software required for different applications are playing an important role in software industry. Software industry and its market are emerging as one of the most profit making business. This book aims at focusing the software evolution, classification, development, productivity, quality, maintenance etc in global market. Software marketing, strategies for import and export are also discussed at length. The IT policies of central government of India, world market and its impact are also dealt with. Analytical study of software market, its findings and interpretation is done for the benefit of users. This book will help the students, researchers, engineers, scientists, businessman etc for decision making with respect to software industry.