This document discusses new concepts and techniques implemented by the "Dunarea de Jos" University Library of Galati, including open access, open source software, and Web 2.0. It defines these terms and explores their relationships. It then provides examples of how the library has implemented open access principles by including publications in open access databases and establishing an institutional repository. It also discusses the library's use of open source software like Linux, OpenOffice, and DSpace. Finally, it outlines the library's adoption of Web 2.0 tools such as RSS feeds, social networks, and do-it-yourself technologies to engage with users.