This study analysed the adoption of Library Software Application Packages in the management of university libraries in North East Nigeria. The specific objectives are to identify the types of library software packages adopted, examine the reasons for their adoption, information and communication technology competence of staff and level of Satisfaction by the staff. Four research questions and one hypothesis were formulated to guide the study. The study adopted survey research design. The population of the study consists of 183 staff. The study purposively sampled the whole 183 professional staff from eight university libraries. Structured questionnaire was used for data collection. Data were analysed using descriptive statistics of mean, and standard deviation and Analysis of Variance (ANOVA) was used to test the hypothesis. The findings of the study shows that the types of library applications packages adopted are; Koha, Mendeley, E-Prints, Zotero, and BibTex., The study revealed that the adoption of library application packages is  relatively low, The study shows that staff possessed ICT competence in library application packages in software management, the findings of the study reveals that Library staff were satisfied with Koha, DSpace, Mendeley, and BibTex., On the hypothesis it reveals that no significant difference was observed in Adamawa (p = 0.861) The study concluded that although the adoption of library software packages has improved library operations and service delivery. The study recommended among others that university libraries should standardize the use of widely adopted software, invest in staff training and technical support, and enhance infrastructure to maximize the benefits of library automation.

Key Words: Adoption, Library Software, Application Packages, University Libraries.