The book "Soft Computing Applications" documents the proceedings of the 5th International Workshop on Soft Computing Applications (SOFA 2012). It provides a comprehensive overview of various soft computing techniques as well as their theoretical and practical applications. The topics covered range from industrial and economic challenges to medical issues, with intelligent systems and their tools at the forefront. The contributions highlight the necessity of interdisciplinary collaboration to demonstrate the potential of soft computing in different fields. The collected conference papers are organized into various research areas that present innovative approaches and solutions.