Resource sharing

No single library can hold every item its users may need, so libraries rely on the OCLC resource sharing network to lend and borrow resources locally, in groups, and around the world. We make it easier for libraries to support one another and their users, no matter what resource is requested.

Exceed today’s expectations, plan for the future

Building on more than 40 years of leadership in resource sharing and the world’s largest resource sharing network, we are investing in current and new services to better meet our members’ needs. We are bringing together the best talent, the best technology and the best of the community to provide even greater opportunities for libraries worldwide to collaborate and share.

Our approach: Communicate, engage, be transparent

Delivering on this strategy requires ongoing involvement from the interlibrary loan (ILL) community. Through our quarterly webinars and local conferences, we discuss our plans and demonstrate the solutions as they develop. We also engage with libraries of all types through our user research programs. And OCLC always strives to be transparent about our business practices and partner relations.

We recently brought together hundreds of resource sharing professionals to share ideas, gather insight and support the community. The OCLC Resource Sharing Conference materials are available to all libraries.

Diagram showing WorldShare ILL lending with multiple libraries

WorldShare Interlibrary Loan

Today, WorldShare Interlibrary Loan provides a critical role in providing thousands of individual libraries with core ILL capabilities. 

Diagram showing Tipasa lending with different systems


Tipasa is a new ILL management system for individual libraries to share and obtain materials through different resources and systems as well as to provide an exceptional experience for the patron. 

Diagram showing Relais D2D libraries sharing with each other

Relais D2D

Relais D2D is a best-in-class consortial borrowing solution that integrate with other library systems and includes requestability logic that dramatically improves ILL fill rates. 

WorldShare Interlibrary Loan

Automate interlibrary loan staff workflows and help your users quickly get the resources they need.

WorldShare Interlibrary Loan automates your cloud-based interlibrary borrowing and lending processes though the largest resource-sharing network in the world to save your staff time and to ensure timely delivery of items to the people who need them. 

Robyn Clark-Bridges photo

“Helping out other libraries...”

“The time WorldShare ILL saves me translates into helping out other libraries. I find joy in filling a request after multiple libraries before me passed due to an incorrect or incomplete citation.”

Robyn Clark-Bridges
Evening Supervisor and Interlibrary Loan Associate
Mount Mercy University
Cedar Rapids, Iowa, United States

Library at Università Bocconi

Expand your network and gain greater visibility internationally

Find out how Università Bocconi has provided more resources for their students and gained more visibility too.

Façade of CSIC's central building

Serve the global research community through international visibility

See how CSIC, the Spanish National Research Council, engages with researchers worldwide through highly visible collections.


Tailor resource sharing processes and integrate with other library technology to provide excellent customer service and anywhere access to patron-requested materials.

Tipasa, the world’s first cloud-based interlibrary loan management system, allows you to manage a high volume of interlibrary loan requests, automate routine borrowing and lending functions, and provide an enhanced patron experience. You can meet users’ needs without heavy IT support, server management or extensive configuration and training.

Get involved

Here at OCLC, we're committed to collaborating with libraries to continue developing Tipasa features and functionality. We'd like to work with you to learn more about the needs of your library staff and patrons. Opportunities for getting involved include usability testing, general workshops, discussions, and more.

Emily Tichenor photo

“More intuitive...”

“The whole thing is more intuitive than what we were using before. I love how easy it is to see everything in the queues… We knew this would be an improvement for our patrons and our workflow, and it has been.  We’ve been glad to be there from the start as an early adopter.”

Emily Tichenor, MLIS
Northeast Campus Library Director
Tulsa Community College
Tulsa, Oklahoma, United States

Librarian fulfills resource sharing requests from home

Keep services going through any crisis

Learn how libraries all over the world kept their resource sharing services going during their COVID-19 closures.

University of Gloucestershire

Delight library users by transforming their borrowing experience

Find out how the University of Gloucestershire doubled interlibrary loan requests while reducing the running costs of the service.

Relais D2D

Optimize discoverability and turnaround time by automating consortial borrowing processes.

Relais D2D (Discovery to Delivery) is a market-leading consortial borrowing solution that provides key features guaranteeing the best experience for library users, such as requestability logic that dramatically improves ILL fill rates and integration with other library systems. We are excited to welcome Relais into OCLC to strengthen our consortial borrowing solution as well as to bring together the best talent, best technology and best communities in resource sharing. 

Future of consortial borrowing

D2D will become our consortial borrowing solution, and current D2D customers will continue to use the service as they do today. OCLC VDX groups and WorldCat Navigator customers will move to D2D over time. OCLC will be meeting with members of the Relais, VDX and Navigator user communities to ensure an ongoing dialogue and to inform them of future development.

Realis International logo
Clare MacKeigan photo


“We have been considering the long-term sustainability of service to our growing customer base. OCLC will provide a solid future for Relais and all of our current customers. OCLC shares our vision. We’re confident that OCLC is the best home for Relais, and I’m excited to join the OCLC team.”

Clare MacKeigan
Operations Director, Resource Sharing
Ottawa, Ontario, Canada