Apps like RUB Bib

Here are some great alternatives to RUB Bib by Ruhr-Universität Bochum :
BorrowBox Library
BorrowBox Library
★3.4
ePlatform Digital Libraries
ePlatform Digital Libraries
★3.7
Harvard Library Checkout
Harvard Library Checkout
★4.3
cloudLibrary
cloudLibrary
★4.6
Santa Cruz Public Libraries
Santa Cruz Public Libraries
★3.5
Bentonville Library
Bentonville Library
★4.2
mCOBISS
mCOBISS
★5.0
CHPL
CHPL
★3.5
Chattahoochee Valley Libraries
Chattahoochee Valley Libraries
★3.9
Chandler Public Library
Chandler Public Library
★4.4
Meescan
Meescan
★4.6
Librista
Librista
★4.4
NOBLE Libraries
NOBLE Libraries
★4.9
My Library
My Library
★4.7
Homewood Public Library
Homewood Public Library
★5.0
My Library
My Library
★4.2