Helium Music Manager - You can take control of your music collection.
Openreads - An Android app for keeping tracks of books you have read. - GitHub - mateusz-bak/openreads-android: An Android app for keeping tracks of books you have read.
BookCAT - BookCAT is a powerful book collector database program which will help you catalog a book collection...
Book Catalogue - This is a simple book catalogue application, to store a list of your books.
Music Collection - This Music Collection Software allows you to organize your music collection including CDs, MP3s or vinyl records into a fully searchable database.
Shelves - Shelves lets you manage your collection of books from your phone.