The collection licensed by the DFG comprises 1000 e-Books. In addition, access to 3,400 free electronic books from all subject areas is provided.

EcoSal Online is a continually updated Web resource based on the classic ASM Press print publication "Escherichia coli and Salmonella: Cellular and Molecular Biology" Author: Neidhardt. This project is intended primarily to serve the needs of the E. coli/Salmonella research community as a comprehensive archive of the entire corpus of knowledge about the enteric bacterial cell. It is expected to be of value also to all cellular and microbial biologists and to be a resource for advanced undergraduate and graduate instruction.

LIVIVO bundles scientifically relevant resources from the subjects fields medicine, health, nutrition, environmental and agricultural sciences. It provides a common search interface over various data sources, such as library catalogs, specialist bibliographic databases, full texts from journals, and quality-controlled web content. LIVIVO combines the former ZB MED search portals MEDPILOT (2003 to 2015) and GREENPILOT (2009 to 2015).

The German National Library of Science and Technology (TIB) ‒ Leibniz Information Centre for Science and Technology and University Library is a central specialised library, responsible for operating the German National Library for technology, architecture, chemistry, information technology, mathematics and physics as well as the University Library for Leibniz Universität Hannover. As the world's largest specialised library in its fields, the library has excellent collections of technical and scientific specialist and research information.

The Umwelt-Online platform contains all relevant legal regulations on topics such as environmental protection, occupational safety, transport of dangerous goods, hazardous materials and systems engineering. The content is continuously updated. Die Plattform Umwelt-Online enthält alle relevanten rechtlichen Regelungen zu den Themen Umweltschutz, Arbeitssicherheit, Gefahrguttransporte, Gefahrstoffe, Anlagentechnik und Anlagensicherheit. Die Inhalte werden kontinuierlich entsprechend den Veröffentlichungen der Regelungsgeber aktualisiert.