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Omeka S vs DSpace: catalog facts
Omeka S	DSpace
Free Free and open source under the GPL-3.0 license.	Free Free and open source; the site lists BSD-3-Clause.
Self-hosted	Self-hosted
Many sites from one installation with a shared item pool Linked open data and DPLA-ready templates	Supports institutional, subject-based, dataset, and media repositories Provides granular group-based access control
Needs a LAMP server to run Built around cultural heritage collections rather than general websites	Primarily aimed at organisations managing digital collections
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: GPL-3.0	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.