Library automation is the general term for ICT trends and techniques that are used for replacing manual system in the library. The term “integrated library system” refers to sharing of a common database (for documents and patrons) to perform all the basic ICTs enable libraries to locate store, retrieve and disseminate information. ICT tools such as CD-ROM, e-mail are used in libraries for dissemination of information. In addition, digitization of information resources which involves converting print resources to electronic form is also carried out, using ICT. This book consist the Comparative studies between KOHA and SOUL. It highlights KOHA has most of the features that would be expected in an ILS, including Various Web 2.0 facilities like tagging, comment, social sharing and RSS feeds. Union catalog facility, Customizable search, Online circulation, Bar code printing, Patron card creation, Report generation, Patron self registration from through OPAC. Similarly it advocates about Software of University library (SOUL) that Software for University Libraries (SOUL) is an state-of-the-art integrated library management software designed and developed by the INFLIBNET Centre based on requirements of college and university libraries. It is user-friendly software developed to work under client-server environment. So this Book helps to library Professionals to choose the Library Management Software according to Collection Size, Servises and Requirement and Digital Infrastructure.