In the present day context, software suppliers have realised the potential demand and also the special requirements of library and information profession and are now offering software packages for the entire range of library routines from acquisitions to user education including bibliographic information retrieval. One of the significant developments has been the movement towards integrated modular software, which means that the librarian can spread the cost and effort of implementation without the risk of software incompatibility. Some of the most significant commercially available packages have been discussed in the following sections of this Unit. The packages discussed here are given purely for the sake of example. Fuller details and other examples can be found in the directories, many of which are available in the market today. The basic objective is to expose you to some of the available software packages.