As per my view, Libsys is the most suitable library automation software for big college libraries having collection of more than 50, 000 books. It is very extensive software covering every activity from acquisition to stock verification, article indexing, web OPAC and what not. It is very user friendly also and technical support of executives from Libsys corporation is great. Moreover, it is not essential to purchase the whole package, you can purchase the modules as per your requirements. you can get more information from the following webpage: