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Lots Of Copies Keep Stuff Safe.

The LOCKSS Program at Stanford Libraries provides open-source technologies and services for high-confidence, resilient, secure digital preservation.


Seven reasons why communities and organizations choose to use the LOCKSS Program's software and services. Why LOCKSS

We can help you set up, integrate, and manage LOCKSS technologies, to reach your digital preservation goals. Use LOCKSS

Capable and committed communities are every bit as vital to long-term digital preservation as technology. Join LOCKSS

Global LOCKSS Network logo
Featured LOCKSS Network

Global LOCKSS Network

Local custody of electronic journals and books for post-cancellation access, post-disappearance access, and failover access, at 80 libraries and counting.

Logo of the CLOCKSS Archive, consisting of an analog clock design showing approximately 10:10 o'clock and an infinity sign where the 3 should be, next to the work mark "CLOCKSS"
Featured LOCKSS Network


A community-led collaboration of academic publishers and research libraries around the world, working together to ensure the long-term survival of our shared intellectual heritage.

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LOCKSS Software

The LOCKSS Program engineers and maintains open-source software for distributed digital preservation. We have been serving libraries and memory organizations for over two decades.

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LOCKSS Support

The LOCKSS Program and its partner organizations offer a vibrant support network and community of practice for end users, system administrators, software developers, publishers, and publishing technology providers.