Librista is a companion app designed for patrons whose libraries use Atriuum as their cataloging software. This app allows users to seamlessly interact with their library's online catalog, enabling functions such as searching for items, renewing and reserving items, creating book lists, and more. By utilizing the Library Locator feature, users can easily find their Atriuum library either by location or search criteria. To access the app, users simply need to input their regular library account credentials or register for a new account as per the library's policies.

Librista offers a range of features, including the ability to view trending and newly added items, access eBooks from partner providers, place holds on various materials, receive notifications about new items related to preferred subjects or authors, categorize items in personalized book lists, explore community groups or events, manage account information, set notification preferences, check book availability by scanning ISBNs, and switch between different library catalogs for broader access.