OCLC
OCLC is a global nonprofit library organization providing shared technology services, original research, and community programs to help libraries advance learning, research, and innovation.
Overview
What is OCLC?
OCLC is a global, member-driven nonprofit library organization. It delivers shared technology services, original research, and community programs so libraries can better support learning, research, and innovation. Best known for WorldCat, the world's largest bibliographic database, OCLC connects thousands of libraries worldwide through cooperative cataloging, resource sharing, and metadata services.
What is OCLC used for?

Top Features
- WorldCat global bibliographic database
- Cooperative cataloging and metadata services
- Interlibrary loan and resource sharing
- Original research and reports
- Community and member programs
- Nonprofit, member-driven governance
How to use OCLC?
Libraries join OCLC as members to access shared services. Staff use the web-based WorldCat and related tools to catalog materials, share records, manage interlibrary loans, and discover resources. Members can also participate in research and community programs. Access is typically arranged through an institutional membership and subscription.
Alternative Tools
Pros & Cons
Pros
- World's largest shared library catalog
- Reduces cataloging cost through cooperation
- Strong nonprofit mission and community
- Wide global library network
Cons
- Membership and services can be costly for small libraries
- Primarily institution-focused, not for individuals
- Legacy interfaces can feel dated
Use Cases
- Cataloging library materials cooperatively
- Interlibrary loan and document delivery
- Metadata management and discovery
- Library research and benchmarking
- Connecting patrons to global collections
OCLC Pricing
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