library for reading - Robuta Search

https://www.aarp.org/membership/benefits/magazines/libby-library-app/

AARP members & registered users can access free word games on Libby App. Members get bonus book-themed crosswords, word searches and more!

https://github.com/bwhmather/libidx

C library for reading and writing files in the IDX format used for the MNIST data-set - bwhmather/libidx

https://github.com/herzbube/SgfcKit

SgfcKit. An Objective-C library that uses SGFC for reading and writing SGF (Smart Game Format) data. - herzbube/SgfcKit

https://github.com/Prinzhorn/gif-info

JavaScript library for reading information from animated GIFs - Prinzhorn/gif-info

https://newsgroup.xnview.com/viewtopic.php?p=193519