• DBIS Database Information System
• Electronic Journals Library

 Links to individual databases and eBook collections:

• ACM Digital Library
• ACS Publications
• AIS eLibrary
• Anorganik Online (De Gruyter)
• ASME digital collection
• Beck-Online
• Business Expert Press
• Carelit
• CINAHL
• De Gruyter Online eBooks
• Dechema Werkstofftabelle [Dechema material table]
• Detail inspiration
• EBSCO
• Elsevier Science Direct (Unfortunately, it is currently not possible to access the 2018 volume onwards!)
• Emerald
• Hanser eLibrary
• HAUFE (TV-L, Steuer Office, Dötsch)
• Herdt Campus IT learning materials
• IEEE
• IET digital library / eBooks
• InnovationQ Plus
• Juris
• Langenscheidt/Duden
• LinkedIn Learning
• MathSciNet
• Maternity & Infant Care Database (MIDIRS)
• Nautos (successor to Perinorm)
• Nomos eLibrary
• nwb
• OECD iLibrary
• O'Reilly (successor to Safari eBooks)
• Perinorm (no longer accessible; successor platform is Nautos)
• Physik Online (De Gruyter)
• ProQuest Ebook Central
• PsycInfo (APA)
• PsyJOURNALS
• RÖMPP
• prometheus (image archive)
• RSWB
• Safari eBooks
• Scientific.net
• SciFinder-n 
• Scopus
• SpringerLink
• SpringerMaterials
• Stahldat SX
• Statista
• Stotax First (Stollfuß)
• Ullmann
• VDE NormenBibliothek
• Web of Science
• WIAM Metallinfo
• Wiley Online Library
• WISO-Net
• zbMATH