Enterprise applications are the DNA of any organization, and they hold the business logic, handle large amount of data, support multiprogramming, are easily maintainable, scalable, have high performance and are able to choreograph or orchestrate modules, and are fortified from attacks and vulnerabilities. These enterprise applications are the backbone of any organization and enhance the productivity and efficiency of the organization to a greater extent, thus ensuring the continuity in the business. So, after seeing the need and development of enterprise application, in this chapter, the authors present the idea of developing and discussing enterprise applications.