Keanggotaan Perpusnas is an Android application developed by Perpustakaan Nasional RI. It is a free app that allows users to register as members of the National Library of Indonesia. Once registered, members can search for books, view borrowing history, borrow books, and more. Additionally, the app provides links to other services offered by the National Library of Indonesia, such as E-Resources, ISBN, Ipusnas, Khastara, and the official website of the National Library of Indonesia.

The app is user-friendly and easy to navigate, making the registration process simple and straightforward. With Keanggotaan Perpusnas, users can easily become members of the National Library of Indonesia and access a wide range of services offered by the library.